The Myth of Performance From a Stage I Upgrade
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- čas přidán 9. 11. 2020
- We've Talked to Thousands of Folks that have Spent Good, Hard Earned, Money on Stage I Upgrades, only to Underwhelmed with a Minimal Increase in Power. Learn Why in This Video.
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💥 Link to Free Flowing, Performance Air Cleaner Systems- www.dkcustomproducts.com/air-c...
💥 Link to External Breather Systems- www.dkcustomproducts.com/breat...
💥 Link To Photos & Details about WHY an External Breather System is so Important- www.dkcustomproducts.com/overv...
💥 Link to Differences Between HiFlow Air Cleaners, with Dyno Charts- www.dkcustomproducts.com/diffe...
➡️ Link to another video about how our High Flow Air Cleaners Cool Down Your Ride- • COOL DOWN Your Harley ...
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You have become my go to site with the "tough" questions answered, by directing me to videos you have on the subject I'm looking answers for, that has saved me from making mistakes by the trial and error method, Thanks!
Thank you for the comment, good to hear you are finding the videos useful.
I put a full stage 1 with the EBS, and vied devices on my iron 883 from DK and it gave me a completely different bike! Can’t emphasize enough what a massive difference it made in performance!! If you have a sportster you absolutely MUST put a DK stage 1 on your bike. It should be mandatory!
I no longer have my 883, just traded in for a 21, Low Rider S and you better believe I’m coming back to DK customs for all my performance needs!
Good to hear you enjoyed the benefits of a True Stage I upgrade on your 883.
So many folks get a mediocre "Stage I" and don't get much benefit at all. Then they go an spend more money doing a Stage II (or more) just to get the power increase that they could with a True Stage I.
Thank you for your comment and we're looking forward to hearing how you like your LRS upgrades. 👍
Keep up the videos guys. Definitely been looking forward to them!
Thanks! Will do!
Just bought the 606 with bobber cover. Can't wait to get it on. Temps have been frigid lately, but should be warming up next week into the 40s. Excited to ride with proper air. You guys are fantastic salesmen. I bought the vied which dramatically cooled my engine. Now with ac, should hold me over until I get cams
Thank you, we appreciate the business.
I believe you will be well pleased with the 606.
Hope it warms up quickly for you.
I have been running an Outlaw air cleaner system with DK breather bolts since 2014 and its the best system out there hands down , it's durable, delivers the performance gains to complete the perfect stage 1 on my Sportster. I can honestly say using their Outlaw system for so many years is the best money can buy for your Sporty.
Thank you for your business, and for your shout-out on our Outlaw Intakes. Very happy to hear you're enjoying them.
With all the mods I was gonna do, after watching your videos I'm gonna save a ton of money. Cheers
Cool deal. Not only will you save some green, it will end up running better also. Glad you found the video useful.
I did a stage 1 with the Arlen Ness monster sucker and a fp3 fuel pack. I ran the tune with the stock airfilter and the bike ran great. Then ran the tune with the Arlen ness filter and it was the same. I can hear it sucking air but honestly the biggest change with the bike was a tune it runs perfect regardless of the aircleaner. Way more smooth throttle response than stock without a tuner
Great to hear you're enjoying your ride! 👍
I wanted to buy DK external breather system but they want ppl to buy their outlaw air cleaner for another 270.00. Sales says I can't buy their support bracket n install my stock air cleaner cause their bracket is flatb????Their air cleaner covers are trash. I would replace with a Ness front cover.
On my Fuel injected 01 Road King, put a K&N filter, pulled the rubber seal, and made a spacer for the stock cover. Made a noticeable difference.
👍😎👍
I just put a DK air cleaner system on my sporty today. I noticed a bit of a difference. Thundermax adjusted well. Still looking at pipes and cams.
Awesome!
Great video! Thanks!
Glad you found it useful, thanks for watching!
Love the videos! I know you are Harley guys but have you considered starting a Indian aftermarket line of performance parts and videos. There just not a lot of stuff and information out there. I saw the the series on cooling and applied some of the ideas to my Indian and it helped. Thanks for the great content.
Hi Brian, good to hear the videos are useful to you. Yes, we have talked many times about how we would like to develop parts for Indians. What has stopped us is that we are years behind on ideas we have for product development on Harley's. Hopefully, at some point, that will change.
I have Arlen Ness stage 1 on my 03 Harley-Davidson Softail Standard didn't do much which do you recommend
Great video, as usual!! Thank you for these great posts!!
Glad you like the video. Thanks for commenting! MB
I have a 2016 Ultra, put on your 828 and your Transformer with a Dyno jet turner and the power I got made a huge difference. Thanks for all the great ideas.
Great to hear you are enjoying the parts! 👍
We appreciate your business, thank you for sharing.
I had the 828 on my trike it with other DK mods made that bike incredible. I decided trikes are not for me so now I will put that same transformer plate and 828 on my new CVO RoadGlide Limited yes it’s that good….that and the other cooling mods make this bike a great performer. 💪
Congrats on your new ride!
We appreciate your business and it is Great to hear you are enjoying the benefits of our parts. 👍
I took my 2016 Heritage installed 7 spoke HiFlow 606 air cleaner. American Freedom Declaration exhaust with the baffles removed and thunder torque inserts installed in the exhaust. Paired everything with a fuel pack 3 tuner.
I am more than happy with the results. No way could I have got this kind of stage 1 performance if I took the bike to a HD dealership.
The chrome drip can look nice where have located as well.
Glad I accidentally found this video. More than happy with the performance of my 2016 Heritage
Great to hear you are happy with your upgrades!
We appreciate your business, and it is always good to hear reports like this. Thank you. 👍😎👍
btw, if you would like to share some photos of your set up, we may like to put them on our website.
If you do, please email them to the following email address and put Attention Kevin in the subject line.
Support@DKCustomProducts.com
or you can text them with a note to get them to Kevin at 662-420-4891
Thank you for all your videos they are very informative and helpful. My wife and I just traded in our bikes for a 2020 triglide and our using your videos on Kevin's trike as information for upgrades to ours come springtime just wanted to say thank you again so very much
Congrats on your new rides. Glad to hear you find the videos useful. We appreciate your business, and hope you enjoy many miles of smiles!! 👍
Very good informative video
Thanks man. Good to hear you found it useful. 👍
I put your filter on and a breather and a tuner. It out Performs all bikes in my club of 30 guys including m8s my tank lift lowered oil temp significantly.
Glad to hear you have your bike set up well, and are enjoying it. 👍😎👍
We appreciate your business, and thank you for the comment.
KP
This is such an important video for regular guys!
And here is another video that explains Why/How this is part of laying a great foundation-
czcams.com/video/GK5x3lcQvJU/video.html
@@DKCustomProducts I have indeed watched, and learned from, that video too!
Thank You!
@@BigFiveJack 👍🏼
Reminds me of the old breathers we had on our old carburetors in our hot rods back in the 70's and 80's. Basically just two aluminum pans with a filter in between them. The more free flowing air you can get into the intake the better it is for your engine, fuel mileage and heat desapation.
You got it. 👍😎👍
The ol hot air intake
My problem is with the DK customs air filter back plate is that they use aluminum (crush washers) and nylon washers for a seal. Good luck finding replacements when you have to remove it to change out your throttle control cables.
Yes, some of our External Breather Systems use the nylon washers that should be replaced when disassembling and reassembling. If you cannot find them locally for a few pennies, you can certainly call or email us for some more.
Good stuff guys,💯👍🏼
Thanks! 👍
@@DKCustomProducts anytime guys 💯, ok which air breather is the best for my 2017 Tri Glide 107 without doing a stage 1 ?
@@OZARKSHDRIDERS The 587 or 606 both will give almost identical gains in power, so it comes down to which you like the looks of better. One other thing to be aware of, the 587 gives a tad better clearance between your right leg and the air cleaner than the 606. BOTH give more leg clearance than factory.
www.dkcustomproducts.com/milwaukee-eight-model-587-air-cleaner-systems-c654-137.htm
www.dkcustomproducts.com/milwaukee-eight-model-hiflow-606-air-cleaners-complete-systems-c657-137.htm
@@DKCustomProducts thanks brother, I appreciate the info, I'll check them out for sure, thanks again 💯, 🤜🏼💥
I have always judged my modifications with a time slip from the drag strip or a Dyno. Without those numbers you are just guessing or what you think you feel. Air has a lot of obstacles before it reaches the combustion chamber other than the air filter. You buy something put in on and say " omg that's way better" is it ? And 1 or 2 hp ain't enough to write home about.
Yes, when looking for performance (not just a fun or enjoyable feeling while riding) then objective testing is best.
AGREE 100 with you on there is much more going on to get a full intake charge than just the filter element. Here is a video we did, objective testing, of tracking down the difference on two seemingly same intakes.
czcams.com/video/Z2y2-MQrGO8/video.html
Not a lot of difference, but a very marked & consistent difference, showing that HOW the air flows after passing thru the element does make a difference.
I have a 2011 Cross Bones with stock TC96. I upgraded to HD Stage 1 air cleaner, remapped to stage 1 and then 2 into one exhaust. It made all the difference in the world. The biggest improvement was the HD Stage 1 air cleaner and remapping to stage 1. But I will check out the DK air cleaner :-)
Yeah, the 96's were the worst OEM tunes of all that Harley ever put out. A good tune will make a crazy good difference over all of the OEM 96 tunes. The worst year was 07, but subsequent years were only a little better. Thanks for checking out our Outlaw Air Cleaners. we appreciate it. 👍
Seems to me that the engineers at HD would know more about what they need? I know the EPA puts restrictions on them!
I am sure that HD engineers do know what the Harley's need, but with EPA restrictions they are strapped to what they can and can not do.
Thanks for commenting! 😎 MB
I only did Stage 1 to try to cool it down and get rid of the cat, let it breath a little easier. The only bummer is that you have to do a tune when you do it.
Dunno what bike you have, but if it is a Twin Cam, a proper tune will cool it down more than a mediocre Stage I air cleaner. Of course the cat delete will greatly reduce felt heat on the right side.
G'day from down under you guys no your shit I've implemented several of your principals etc to my bike damn now I notice some power thanks
G'day from across the globe! I am glad to hear that you've found our tips useful and have seen some noticeable performance improvements on your bike. It's awesome to know that our principles have made a difference for you. Keep on riding and enjoying that newfound power!
Thank you for commenting! MB
I put a transformer EBS and a 606 air cleaner on my 2015 Ultra, and I used the stock Rushmore cover. I used a FP3 tuner to do the tune. I had a stage 1 Screaming Eagle air cleaner and tuner on it originally. I don’t know what it would dyno now, but my butt says it’s running substantially better.
So glad that you are liking the parts and finding them effective!
Thank you for commenting and for your business!
i have a 2012 streetglide stock motor. S&S stealth mini air cleaner. S&S eldorado full exhaust system and a dyno jet tuner. had the bike put on dyno, bike is getting 81.54 hp and 103.21 torque.
Very nice. 👍
Adding an External Breather System to your set up will give you even more power, cool it down a bit, and make it last longer.
Here is a video we did on how the above works- czcams.com/video/EfDeFZblMck/video.html
I do have an S&S Stealth air cleaner and it doesn't have any hoses or anything besides their "Air directional Stinger Cone" which they claim it does aid in flowing smooth air into the throttle.What's wrong with them that you mentioned them a couple of times? Thanks..
They feed hot, oily, oxygen depleted air into the carb/throttle body, and then into the combustion chamber. This is a power robber and also results in reduced longevity and tune stability. They also use a less expensive manufacturing process that results in harmonic distortion (which hurts air flow). Fortunately you can retrofit and external breather system to it and make it better.
ok, I'm a bit confused here? I have a full stage 2.....all S&S on my 2019 RGU! I Have the oil cooler and remote oil filter mod and tank lift from you guys! The only thing left is the filter / external breather mod. My question is which one works with the stock cover? I want mine to look like a sleeper!
Most of our External Breather Systems can be stealth (hidden) for the sleeper theme. Which one depends on which air cleaner you have behind the stock cover. Give a call, text, or email letting us know the model number of your air cleaner and we can give you which EBS will fit it. 662-252-8828, 662-420-4891 for text, Support@DKCustomProducts.com
www.dkcustomproducts.com/all-twin-cam-engines-c76-192.htm
I have stage 1 on my 2020 Street Glide. DK outlaw performance Air cleaner and the Terminator catch.
Thanks for the comment and for your business, we appreciate it. 👍
Glad you're liking the Intake and the EBS Transformer™ with Catch-Can. 👍😎👍
I have 08 96inch st. gl. Have 2 3/4" dumper mufflers, putting xied. Will be getting air cleaner from you guys. Which would you suggest? I like the look of the 425🤷🏻♂️
The TC 96 will starve out a bit with the 425. The 587, 606, 636v and 828 all will deliver more than enough air for your bike. Here is a comparison of all of them. The 636v is the best performer.
www.dkcustomproducts.com/differences-between-outlaw-hiflow-air-cleaner-systems-dk-faq-acs.htm
What can i say, it works, tried it, amazed.
Glad you are well pleased with the Air Cleaner. Thank you for your business and for commenting! 😎 MB
Came for the fishnet referee got me an edjamacation. Much thanks!
LOL!!! 😂
I am glad that you found the video informative. Thanks for commenting! 👍
What air filter would I use on my 2020 RGS if wanted to keep the stock box
We don't have a recommendation for the stock hot box. However, if you want to use the Stock Cover, then you can use the 606 Naked and cover it with your Stock Cover. You can see it at this link- www.dkcustomproducts.com/naked-complete-hiflow-606-air-cleaner-harley-milwaukee-eight-dk-ac606-nk-m8.htm
It is made specifically for use with the M8 covers found on the 103, 107, & 114
I have a 2019 Tri-Glide Ultra 114 M8. I have put on your Deluxe tank lift with cooling wings and added your external breather. Do you make an air filter that I can use with the stock cover since the cover is vented?
Thank you for looking at our parts.
Yes, we make a Performance Air Cleaner that is specifically designed to work with the stock cover. You can see it here - www.dkcustomproducts.com/naked-complete-hiflow-606-air-cleaner-harley-milwaukee-eight-dk-ac606-nk-m8.htm
Aren't the stock 114 oval air cleaners on M8's high flow? Stock they still have paper element in filter but the backing plate is flat like many of the other hi flow after market ones.
Is there a big difference between the flow from stock paper filter to k&n filter?
And lastly where would the arlen ness big sucker fall in order with the other 2 mentioned above?
They are not high flow, or performance intakes. Here is a video the difference between the OEM oval and a true Performance air cleaner-
czcams.com/video/Ajl5YHiArVE/video.html
9% increase in torque & HP.
Here's another video comparing the AN BS (which still feeds power robbing hot, oily, oxygen depleted air into the intake) and a true Performance Air Cleaner-
czcams.com/video/Z2y2-MQrGO8/video.html
By definition, you cannot have a High Flow Performance air cleaner without an EBS. This video shows the difference in power, reliability and tune stability.
czcams.com/video/EfDeFZblMck/video.html
After 40 years I am firm believer in the S&S stinger cone for air flow
Having said that I will be converting my stealth to A EBS
Great to hear on the EBS! The stinger design is better than most, but the harmonics (because of how it's manufactured) hold it back from achieving its' full potential.
@@DKCustomProducts
Is a 1/4 inch sufficient for breather hose or would 5/16 be better ?
@@scrumthebum2451 1/4" ID is plenty large enough...there will be no restriction.
Hi guys, I’m an Aussie from Geelong Vic, I have a grey imported 2006 FLSTI 88 fatboy 19,300 Klms.
I have an oval HD Fatboy air cleaner with an tapered wire mesh type air filter, it still has a hotbox (std) back plate with the routed cylinder breather hoses running through the back plate (hot box) feeding into the intake. Runs Vance & Hines longshots (no sensers fitted) go figure and a Screaming Eagle Super Tuner which has never been used. The reason for the tuner was a Geelong HD recommendation.
What would you suggest I should go for to improve overall performance but keep the look stock (606 install kit etc.), and do you send to Australia.
Note : you did mention a slightly smaller filter option before the 606 kit. Does a catch can/Filter and hoses come with the kit?
What would be the total costs including shipping and do I need specialist tools for the install.
Really appreciate your advice,
Cheers,
Peter Fox
Thank you for looking at our parts. Both the 587 and 606 will work with your bike and allow you to keep your stock cover. They both come with External Breather System of your choice. The link to each of them are below.
The cost of the parts are viewable on the links below. You can email Support@DKCustomProducts.com with your exact address and which parts you want and they will calculate the best shipping cost for you. (you can also just enter your info on the site and it will give you the shipping cost, but that is not always the best possible for Australia).
No special tools needed...just allen wrenches. Also, the links below each have instruction tabs you can click and view the step-by-step instruction.
www.dkcustomproducts.com/complete-hiflow-587-air-cleaner-sano-black-for-harley-twin-cam-dk-ac587-blk-tc.htm
The above link is for the 587 which will perform just as well as the 606, but you will be using the Acorn to hold the factory cover against the 587 cover, instead of the factory bolt you currently are using on your factory cover.
www.dkcustomproducts.com/complete-hiflow-606-air-cleaner-dyna-softail-touring-rushmore-dk-ac606-nk-tc.htm
This sticks out a little further, but allows you to use the factory bolt on the factory cover.
On my own Softail I use the 587, since it gives me a bit more leg room
Also what rear suspension would you recommend for my Electra glide
Here is a link to our Rear Suspension report so that you can make the best educated decision. Please feel free to email our customer service at support@dkcustomproducts.com or call 662-252-8828 for any questions you might have.
I have a 2019 tri glide with torque cam . Looking for a better air cleaner that is externally vented
The 587, 606, and 828 Air Cleaners are all externally vented and will all provide more air than your ride can breathe. I am running an 828 on my 2019 Tri Glide.
Link to air cleaners- www.dkcustomproducts.com/air-cleaner-intake-c10.htm
Link to video about differences between the Externally Vented Air Cleaners- czcams.com/video/xP7wxWQmSa8/video.html
There are MANY different looks to choose from.
I have a 2020 tri glide trike , I had new exhaust installed and screaming eagle air breather installed, what do you recommend instead of the screaming eagle air cleaner
The 587, 606, & 828 all work extremely well with the M8 Tri Glide, just a matter of which look you like. Here is a video reviewing them.
czcams.com/video/KT-Ts7YFtV0/video.html
Link to all the choices- www.dkcustomproducts.com/air-cleaner-intake-c10-316.htm
I personally am running a 828 on my M8 Tri Glide.
Well. I hope my 606, External Breather Bolts, Exhaust, and Re Tune fits into this Improvement that Works. Full Stage 1? No Cams, Rocker Box Mods, and Big Bore Kit yet on mine. Real Harleys run Round Air Cleaners!
The 606 is a great addition to your Stage I upgrade! Thank you for your business and for commenting! 😎 MB
I have k&n ... The bike is I the shop because oil flooded the engine while riding and there was lots of smoke from the exhaust... my mechanic said the umbrella vents are clogged (I'm hoping that's all it is) I'm having him do an external breather tube while we are at it... sure hope this fixes it
I hope so too. It is pretty rare for the umbrella to cause that...but it does happen. My question would be why did it happen, and will it happen again?
@@DKCustomProducts why did it happen uh, man I don't know I'm not a mechanic... there was oil pouring out of the breather.. my guy say that should fix it
@@redflint7651 Hoping the valves fix it for ya.
I had a stage I. It made me feel fast because it was noisy. Rode worse in my opinion. Went stage IV and that was where there was a significant difference.
Yes, that is the experience of so many when they do a generic/average/mediocre Stage I. Here is a video where it is explained how to do a Stage I where there will be a significant difference...AND where it lays the foundation for a Stage IV to be so much more that what most experience.
czcams.com/video/GK5x3lcQvJU/video.html
I’m putting cobra neighbor haters on my 17 Road Glide 107, I just ordered your 587 with EBS, will I need to put a tuner on it too? I know you guys said in one video that the m8s before 2021 came with better AFR from factory than twin cams, I just wanna make sure that with slip ons and hi flow A/C I’m not gonna have issues with it being too lean. I have not decatted my headers, at least not yet.
No issues with your 2017 RG 107. Here is a video showing the AFR, it is fine. czcams.com/video/aWW-nt7-fzA/video.html
Probably the best way to see if a new air cleaner would help is to just take it off and go a couple miles down the road to see what it feels like.
Yes, that seems on the surface a good idea. However, we have done the same tests and found that how the air flows after it passes thru the filter element makes a big difference in power.
We have also done many dyno runs with no air cleaner, and the power increase is not nearly as great as with an air cleaner that is designed properly.
Air flowing, unimpeded into the mouth of the throttle body will get a little more power than most stock air cleaner, but not nearly as much as any of the air cleaners in this video- czcams.com/video/xP7wxWQmSa8/video.html
Here's another video that shows two different air cleaners, both use the same exact filter element, but one produces more power than the other because of How the air flows into the throttle body.
czcams.com/video/Z2y2-MQrGO8/video.html
What media materials flow better in your opinion the typical red cotton material or the synthetic stainless material option?
We have not specifically tested that but we have never noticed a difference.
There are much more important factors with Harley applications such as the quality of air intake, air flow characteristics after entering the air box, etc. It is my understanding that oil soaked cotton filter media (K&N) is the best for air flow or performance but this difference is indiscernible by seat of the pants... It would take dyno testing to identify the small difference.
Thanks for commenting! 😎 MB
What is your thoughts on the hyper charger?
It feeds hot, oily, oxygen depleted air into the engine. This is a real power robber. You can modify it with an EBS. Contact us and we can direct you to which one will fit. Support@DKCustomProducts.com or 662-252-8828
Regarding how the Hypercharger flows...it has gotten a bad rap over the years, but as long as the flaps are kept open, it really does not perform much/any worse than most other mediocre air cleaners.
You guys mentioned that their are only a few truly performance air cleaners in fairness of transparency what are the others that are contenders You did mention the pretenders so I would like to hear of the other genuine articles other then your brand.. I have a 2020 vivid black softtail slim. Please include in your response the true performance air cleaner that would fit my bike from your product line
Hammer Performance makes some really good air cleaners, so does NHRS Performance (but I just heard they've recently closed their doors). The best Performance A/C for your 2020 Slim is the 636v, which can be seen at the link below. If you do not like the look of the 636v, the 587 and 606 are close behind it. They can also be seen at the link below.
www.dkcustomproducts.com/air-cleaner-intake-c10-256.htm
@@DKCustomProducts thanks for sharing
What air filter do you have for a 2008 Electra glide ultra. I’m looking on your website and want to order
You can see the option for Air Cleaners at this link www.dkcustomproducts.com/air-cleaner-intake-c10-383.htm . If you need any help choosing the right one please email our customer service at support@dkcustomproducts.com or call at 662-252-8828. Thanks for watching
I really couldn’t feel a big change on a Stage One , it was a Stage Two Torque 447 HD cam that made the best change on our 2017 Tri Glide , I use the HD Stage One filter
There ya go. HD Stage One is not going to give a big improvement. Now imagine how much more of an increase you would get from your cams with a proper Stage I as the foundation.
www.dkcustomproducts.com/shoptalk/HEPGG/
Question, can I put on one of your air cleaners and tune at a later point? Wallet won't let me do a full stage 1 all together and looking to figure out what I can put on and in what order before before I tune. I know I know, I will probably get the tuner first. Just trying to learn.
Thanks
Great question. Depends on what bike you have.
M8's do not need a tune to add a free flowing air cleaner, and/or free flowing exhaust. Here is a video on that subject- czcams.com/video/Lb_57Z_Ipms/video.html
If you have a Sportster or any Twin Cam, they come too lean from the factory, and the first thing to be done to those is either a tuner or a XiED product. You want to do one of those before changing intake or exhaust.
Here is a link to some options. The XiED line is very effective for Stage I's and are not expensive.
www.dkcustomproducts.com/efi-tuners-c74.htm
Always feel free to email or call with any questions. Thank you for looking at our parts.
Support@DKCustomProducts.com
662-252-8828
@@DKCustomProducts thanks for the info. Yeah, I have a 2016 103 RGS. So I will get the tuner first and work my way from there
Hi guys question when fitting xied to 08 softail do I disconnect the battery or is it fine to plug straight in
Your 2008 Softail does not require installation of a ground wire so you do not have to disconnect the battery. It is fine to just plug it straight in.
You can see the instructions at this link - www.dkcustomproducts.com/media/wysiwyg/vied_new.pdf
Please feel free to contact us with any questions;
Support@DKCustomProducts.com
662-252-8828
Thank you for commenting! MB
Y'all crack me up
🙂
Nice awesome video guys..my ? is iam looking at a 2023 left-over HD triglide ultra 3- Wheeler,what air cleaner do you guys recommend I buy from you guys,to put on my trike with a 114 engine..what kind and how much..also what's your opinion on getting a stage II kit for the trike,reason iam asking,iam 6'4" 325lbs & my girlfriend is 5'7" 135lbs that's alot of weight plus our luggage,I want the trike to be able to get out of its own way if you know what I mean..😂😂 Any suggestions would be appreciated especially if my local dealership will sell & tell me I guess what I wanna hear to make a sale,plus I wanna buy extended warranty too with no bullshit that I can't do this or that because it will void warranty if it's not screaming eagle products..😂😂 ...thanks NORMAN...
Norman,
Hope you get a good deal on the leftover. 2024's are no different than 2023's, except for the colors.
The lowest profile, AND best breathing air cleaner for the Tri Glide is the 828. You can see all the cover choices on the 828 at this link- www.dkcustomproducts.com/milwaukee-eight-outlaw-hiflow-828-air-cleaner-complete-systems-96.htm
This air cleaner will handle air flow needs all the way up to a Stage IV and also a 135.
A very close second choice, but it is not as low profile as the 828, is the 606, and it can be seen at this link- www.dkcustomproducts.com/milwaukee-eight-model-hiflow-606-air-cleaners-complete-systems-c657-222.htm
You might be surprised how much power a properly set up Stage I will deliver. We have a video with details on how to get Stage II type power out of a Stage I at this link- czcams.com/video/GK5x3lcQvJU/video.html
After I did a proper Stage I, as outlined in the above video, I have done a Stage II on my Tri Glide.....I did not do it to get more power (although I did get a lot of extra power out of it), I did it because I needed a better oil pump than what came on my 2019. While I was in there anyway, for the oil pump, I went ahead and did a Stage II cam.
I would NOT put in a Stage II cam without doing all the things outlined in the Foundation video above...it will generate too much heat, which will accelerate wear on the engine.
Here is a video on my Stage II- czcams.com/video/Ax1e2gNvdsk/video.html
Yeah, a good warranty can be had from Motorcycle Agent (and if you mention DK Custom you get a discount). You can see a video on that here- czcams.com/video/p8U4XsHyBug/video.html
Here is a video of a walk around of my Tri Glide that you may find interesting/useful- czcams.com/video/5h77GQJTW1w/video.html
Thanks for looking at our parts, much appreciated!
Always feel free to email or call with any questions:
Support@DKCustomProducts.com
662-252-8828
Thanks for commenting! 😎 MB
I did notice a difference with Harley intake but noticed more from your oil filter. Can't afford anything for awhile, family has medical issues.
Noticed better performance from an oil filter?
Glad you're enjoying! Best to your and your family on resolving the medical issues.
@@bigblue3568 Take a look at this link...oem oil filters put a drag on the oil pump, which has a net effect of reducing power to the rear wheel- www.dkcustomproducts.com/outlaw-high-performance-cleanable-oil-filter-in-anodized-black-dk-ocof-ab.htm
@@DKCustomProductsis that the same or similar oil filter that comes with the ultracool oil cooler kit?
Would you strongly recommend a true air cleaner upgrade with a carburetor bike (2000 model 1200 sportster)? Sounds like to a lesser degree relative to a fuel injection system
I just went from paper to a K&N reusable air filter as a first step.
Going from the paper filter is a great first step. Next two steps:
1. Get rid of the hot box...see video here- czcams.com/video/tJXGEwLCNDw/video.html
2. Get an External Breather System (EBS) see video here- czcams.com/video/EfDeFZblMck/video.html
You can do both of the above with your stock intake on your carbed bike, or you can get a turn-key Intake at the following link- www.dkcustomproducts.com/air-cleaner-intake-c10-380.htm
Feel free to email or call with any questions, thank you for looking at our parts.
Support@DKCustomProducts.com
662-252-8828
@@DKCustomProducts thanks guys! On it!
@@woodsandwater644 Good deal, we appreciate your business. Thanks for watching our videos also! Ride safe!
@@DKCustomProducts, what is the turn key you are referring to? How do you tune a carbed Sportster (2002} after adding a new high flow air cleaner?
Good video but if you're proud of your design for an air path after the filter why didn't you show it?
Thank you, glad you liked. Patent issues. We do show the results.
I HAVE A 2010 CUSTOM ELECTRIC GLIDE ULTRA 96 ENGINE STOCK. I HAD THE CATALYTIC CONVERTER REMOVED AND STAGE 3 H.D. PIPES SLASH DOWNS (4 BEING OPEN PIPES). A GENT IN PITTSBURG PA DOES THEM WITH A LATHE AND REAMS THE CAT AND EXHAUST PIPES OUT. THIS ALONE DYNO'D THEIR TEAM SAME BIKE INCREASES 14 H.P. IT PUT ME IN MY SEAT. I THEN HAD HARLEY'S SCREAMING EAGLE STAGE 1/ K&O AIR INDUCTION SYSTEM INSTALLED, SAID TO GIVE 14 H.P. IT WAS KICK ASS. I NEVER EXPLORED YOUR PRODUCTS AS THEY ARE PRICEY AND YOU EXPLAINED WHY. I AM THINKING ABOUT YOUR OIL RELOCATION REUSABLE FILTER FOR COOLING PURPOSES. IT MAKES GREAT SENSE. COOLING A H.D. ENGINE IS KEY TO LONGEVITY. WHAT IS YOUR TAKE ON THE OTHER SYSTEMS OUT THERE. YOU KNOW YOUR ART/ BUSINESS AS YOU POINT OUT WITH THE FILTERS. THANKS FOR YOUR PRODUCTS. I AM SEMI RETIRED SO BUDGET IS ALWAYS KEY. I CAN'T AFFORD 40 K HD'S OR INDIANS . I AM 76 /77 IN JUNE HOW OLD ARE YOU BEARDO??:) WHEN DO WE STOP RIDING?? BEEN CROSS COUNTRY NOW 3 TIMES CAMPING TO AZ FROM NJ. IF WE GO DOWN AND INTO A HOSPITAL WE AIN'T COMING OUT, THAT'S MY DILEMMA. COVID PROTOCOLS. JUST LOST A CLASSMATE, TO BLOOD CLOTS IN THE LEG, STOMACH, THEN INDUCED COMMA. I WENT TO HIS VIEWING MONDAY EVE. SMART GUY AN ATTORNEY.
Thank you for watching, and good to hear you are finding them useful. 👍
63, and got no plans to stop riding anytime soon, I do spend quite a bit more time riding the Tri Glide than the two wheelers these days...for the reasons you mention.
Anything that gets a good filter out in the wind, especially paired up with a good (Jagg) oil cooler is good.
I've been concerned about my choice of an air cleaner since I put it on. I got the SE heavy breather forward facing air intake, and I got it because I really like the look. My concern is the breather, or lack thereof with the new intake. The breather tubes are just replaced with pretty chrome caps. I wonder what this is doing to my engine and do you guys make a solution for this on a 103 v-twin? Preferably without having to completely replace the intake I just paid $330 for.
Yes, we have External Breather Systems that work with all the SE Heavy Breathers. Please contact Dwayne via email, text or phone. Support@DKCustomProducts.com or 662-420-4891
He will find out which one you have and let you know which of our EBS will fit.
Not sure if you have done the external yet but do it don’t care if u just take hose and route one but you’ll notice a difference the throttle response is highly noticeable
I have a question. Running stock decatted exhaust header will Cobra neighbor haters slip-ons.Stock air filter. Will a tune make a big difference in gas mileage & performance? Thank you in advance
What year and model bike?
@@DKCustomProducts22 Road Glide special
It will not. The M8 is very good at adjusting for different exhaust and/or intakes.
With a good tune is will run a little better, not enough that most people will not even feel the difference.
Check out the report at this link on the subject- www.dkcustomproducts.com/milwaukee-eight-dyno-charts-other-interesting-info-dk-m8-rpt.htm
And here are a couple of videos you may find interesting/useful-
czcams.com/video/Lb_57Z_Ipms/video.html
czcams.com/video/0vbTkRvFa80/video.html
Dyno numbers please..thanks
A bunch of dyno charts at this link- www.dkcustomproducts.com/differences-between-outlaw-hiflow-air-cleaner-systems-dk-faq-acs.htm
And many more in various videos on our channel, here are a few of them-
czcams.com/video/GK5x3lcQvJU/video.html
czcams.com/video/5PxJ8PvcVtc/video.html
czcams.com/video/MF0hO-w2hz8/video.html
I put cobra rpt exhaust screamin eagle air cleaner (threw away that piece of shit paper filter and put in a k&n hi flow element an FP3 tuner ran an auto tune and got Hugh gains in power and I think there’s a lot more there before a stage two is needed.
I’m thinking of DK customs but I’m not into spending hundreds of dollars and getting little in return.
Also I’ve been running an external breather sense my first evo in the late 80
I still think she could breath a little easier with a better air cleaner. With would you recommend, I have a 2013 heritage. Help !!!
The best performing intake is the 636v. However, many don't like the forward facing intake. The next best are the 828, 606 and 587. They will all perform very close to each other, just depends on what look you like.
Here is a link to a report with charts and info that you may find useful- www.dkcustomproducts.com/differences-between-outlaw-hiflow-air-cleaner-systems-dk-faq-acs.htm
And here is a video with some good info- czcams.com/video/xP7wxWQmSa8/video.html
It does not matter what the shell looks like, the top flowing filter is K&N almost all performance companies offer their product with a K&N filter so saying all the brands you mentioned are not as good as your a K&N is false
I understand why you think that. However, there are three factors that you are not taking into account:
1. Most air cleaner setups are feeding hot, oily, oxygen depleted air into the air cleaner, BYPASSING the filter element. These DO NOT produce as much power as our air cleaners. When you put oily oxygen depleted air into the combustion chambers you DO NOT get as much power as when that is not going into the combustion chambers, like on our air cleaners.
2. Heat robs power. If you doubt that, look at this video- czcams.com/video/5PxJ8PvcVtc/video.html Most air cleaners are feeding hot air into the air cleaner, robbing power. Ours do not.
3. HOW the air flows AFTER it passes thru the filter element has an effect on power production. We show that in a test in this video-
czcams.com/video/Z2y2-MQrGO8/video.html
Oh, and it does matter how the shell is formed...some, mostly OEM, created a hot box effect by being too enclosed. That is discussed in this video- czcams.com/video/tJXGEwLCNDw/video.html
What do you guys think of the plastic manifold
Not much. We have a video coming out sometime in the next week on this subject. 😎
@@DKCustomProductswhat manifold do you recommend to replace the plastic one?
I have a 131
Do they make these filters for the 111 thunderstruke Indian engine
We do not make intake systems for Indians. I am pretty sure K&N makes filter elements for them. Sorry we could not be more help.
@@DKCustomProducts Thank you
@@69tf No problem!
Good video guys, I appreciate thoughtful opinions that make me think. Regarding an external breather system, I don't think you can just say 'a lot of people know' and show a picture of a dirty piston to make your point. In a perfect world, I would not route crankcase breath back into the throttle body. However, my '07 stock Heritage burns no oil and has all the performance I need. Have I seen the pistons heads - no. Would external breathing make my engine last 100K instead of 95K miles - maybe. I don't really want to mod my bike with extra tubes and a catch can for an arguable reason. You need data to support an argument. Minimally, 100s of examples of the same air filters, engines, rode the same way, the same miles with the same engine mappings, engine oil and plugs. Then examine the torque and piston heads. Otherwise, it is just speculation and anecdotes regarding how big a deal internal breathing is on modern Harley engines. Too many people are riding stock bikes too many miles without problems to make this claim without data. Just my humble non-expert opinion.
Thanks man, glad you enjoyed the video.
It is common knowledge that routing blow-by into the intake gums up sensors, reduces performance (because oxygen depleted air taking space in the the combustion chamber reduces the power of the charge, & more), and builds carbon deposits, changing compression ratios, making a once good tune not so good.
A simple google search on the subject will yield 100's of thousands of results. Because it is common knowledge among engine builders and those looking to get the most out of the engines, we do not spend a lot of time on that...we do spend some time on how it also applies to Harley engines, just like other engines.
For that reason we do have a couple of dyno charts of Harley's (this common knowledge applies to all 4-strike internal combustion engines) so that one can see the difference it makes performance wise on HD's.
The charts can be seen at these links- www.dkcustomproducts.com/media/wysiwyg/breathertest_1.jpg
www.dkcustomproducts.com/media/wysiwyg/DynoComp_1.jpg
A more complete written report can be seen at this link- www.dkcustomproducts.com/overview-of-external-breather-systems-ebs.htm
Here is a link to a video with a lot more info, including more photos and documentation, plus info's on the WHY. czcams.com/video/EfDeFZblMck/video.html
Anybody with any sense at all would know you don’t want hot oily air going back into your engine at all
@@oceancowboy6981 More than a few people with sense would disagree with you www.hdforums.com/forum/general-harley-davidson-chat/1375555-why-even-bother-with-a-stage-i-upgrade-2.html
Ok terry so 4 people out of ten million agree with you 🤣🤣cheers from Texas troll
@oceancowboy6981 10 million? The video shows 2,000 likes and 265 comments.
Just because Terrell's viewing, "thinking" and commenting in a fashion that isn't just drinking the Kool-aid makes them a troll!?!?!
Free your mind...
The title of the video is a bit misleading, though they do get to the point of clarifying what is meant by it before the video ends.
And while I can't speak one way or the other for their product, "just listening" to the video it "sounded" like a straight sales pitch, (not to say their content is or is not legit).
I haven't yet looked at the links I've seen posted in response to some replies, but IIRC, the ones in this thread are all to their own website. That's doesnt make it particularly unbiased data.
I dont understand how the stealth s&s isnt the same as the one on the bike behind them.
Perhaps you did not watch the video? We clearly outline, in this video, the differences. The two biggest ones are:
1. The S&S feeds hot, oily, oxygen depleted air into the combustion chamber. This not only robs power, but also creates tune instability and reduced engine life. You can see more on this subject in this video- czcams.com/video/EfDeFZblMck/video.html
2. How the air flows AFTER it has passed thru the filter element has a significant effect on performance. We have a video on that subject here- czcams.com/video/Z2y2-MQrGO8/video.html
KP
Thanks guys, ill be hitting you guys up this winter for some products and hopefully some instructive insight! I could really feel my stock " hotbox" on my 107 coming home from Arkansas a couple days ago. And it wasn't hot outside at all. Ill definitely be getting with you guys. Im sure ill have some questions....I hope you guys can help me out and help me save some unnecessary spent money as well.
Cool. Appreciate you looking at our parts. Give a call, email or text, we're happy to help.
I don’t think it’s really that you gain gobs of torque or HP with a screaming eagle inlet and exhaust, but without them the stage 2 cam would be held back.
Agreed that you don't get a good gain of torque or HP with the SE intake and exhaust. They are better than stock, but no where near a good foundation.
With the SE intake and exhaust as a foundation, you will get a benefit from Stage II Cam.
However, with a great foundation, as described in our videos, you Will get a good gain in torque & HP just from a Stage I, and even More gain from a Stage II cam.
Sounds like you've figured it out
Yep. 👍
i was told if you take the plastic piece off the stock intake that it is just as good as other external breather systems ... is that true?
No, that is not true. Even if you take the plastic cover off your Air Cleaner it is still venting hot oily oxygen depleted air into the Air Cleaner.
Here is a video that you may find interesting - czcams.com/video/Z5j2Atbd-70/video.html
Thanks for commenting! MB
@@DKCustomProducts ok which external breather system is the most effective in cooling the harley? not interested in look just effectiveness
The External Breather Systems we make all work just as effectively as the next one. It really matters which one will fit with the Air Cleaner you have.
You can see a video on how to tell which EBS will work with your Air Cleaner at this link - czcams.com/video/85jEZjX6Dhw/video.html
You can see a written report that can help you choose the correct EBS at this link - www.dkcustomproducts.com/overview-of-external-breather-systems-ebs.htm
Please feel free to contact us with any questions;
Support@DKCustomProducts.com
662-252-8828
Thank you for commenting! 😎 MB
@@DKCustomProducts i have stock air cleaner with the back plate taken off
What bike do you have? The stock air cleaner is different on different bikes. MB
Ignorant question. Arent K&N filters oil soaked? How can that outflow a paper filter?
The cotton gauze that the K&N filter is made with allows more air flow than a paper filter does. The oil only helps trap dirt and contaminants but does not effect the air flow.
Thanks for commenting! 👍 MB
Ness sells open air cleaners which have the air cleaner opened in the middle, sides n top n bottom. So air flow is unrestricted.
Yep, and they still are feed hot, oily, oxygen depleted air into the intake, which is a big power robber, and also makes for an unstable tune. Check out this video- czcams.com/video/EfDeFZblMck/video.html
I intend on buying the transformer system but Ness sells air cleaners with more open areas than yours but Ness n se cleaners can't be used with your system.
More filter area is not always the answer...HOW the air flows after it passes thru the filter element is very important when wanting to get the most power.
We discovered this decades ago, seat of the pants, and then about 15 years ago we did a ton of tests on the dyno.
Sporty Evolution engines, Twin Cam Engines and recently M8 engines were all tested the same way.
1. Do pulls with NO air filter element or air filter box...cannot get more free flowing than that
2. Do pulls with any free flowing air cleaner (S&S, DK Outlaw, AN, SE, K&N) with an EBS, and they ALL produced More power with the air cleaner & filter element installed. (although they did not all produce the same power, they did all produce more than when it was the most free flowing with nothing installed)
How the air flows after it passes thru the filter element has a major effect on the "organization" of the air going into the throttle body, which as an affect on combustion (power source).
btw, thank you for your interest in our Transformer system, much appreciated. If you do do end up get an air cleaner that is not compatible with the Transformer, we have many other External Breather Systems that will fit almost every air cleaner made.
Feel free to email or call with any questions.
Support@DKCustomProducts.com
662-252-8828
this is one of those videos where i could have said everything you said in less than 60 seconds. fah. pretty sure you guys could make a 30 minute video on how to tie your shoes.
We do have plenty of shorts ( you can click "Shorts" button on our homepage www.youtube.com/@DKCustomProducts )
We do the long form because many folks will still have questions after watching a short of the same info.
Thanks for your input.
Is there a need to get it dyno after changing filter
It depends on what year and model bike you have, along with what other things have been done to the bike. (does it already have a free flowing A/C, has it already been tuned, etc.)
@@DKCustomProducts 08 heritage bought it stock and only put on set of slip ons
@@matthewrobbins7796 Unfortunately all Twin Cams run too lean from the factory. Even with no exhaust or air cleaner change we recommend that a Twin Cam have a little help with their Air Fuel Ratio.
It does not need to be a dyno tune, it can be a Power Vision or FP3 Tune, it can also be a VIED (seen at the following link) that will get those AFR's into a safe range. www.dkcustomproducts.com/vied-fuel-enrichment-for-harley-efi-plug-n-play-more-details-dk-vied-nr.htm
When adding slip ons and/or an air cleaner, it makes the already lean factory tune even leaner. So we recommend the VIED or a tuner.
A Dyno Tune is not necessary. Check out the couple of videos below on the subject. I think you'll find them interesting.
czcams.com/video/isBHK-Jy7Wk/video.html
czcams.com/video/gOeJ6Mx_mQo/video.html
How would you rate the TAB Performance Zombie Breath Air Breather? Is this product all hype or is it worth the $440 they're asking? I'm also installing the DK Custom External Breather system.
The Zombie Breath Intake is very similar to our 828, and if you pair the Zombie Breath with and External Breather System it should perform well.
You can also look at our 828 designs at the following link. They are the same filter element as the Zombie, but with quite a few different looks. They are priced from a bit below $300 up to $360...and that includes the basic EBS.
www.dkcustomproducts.com/outlaw-hiflow-828-air-cleaner-complete-systems.htm
Please feel free to contact us with any questions;
Support@DKCustomProducts.com
662-252-8828
Thank you for commenting! KP
@@DKCustomProducts, I'm sold. Just ordered the 828 kit on your site.
I am sure you will be very pleased with the benefits of having the 828 installed. Thank you for your business and for commenting! MB
What up with one of you in a short sleeve tee shirt and the other in a tee shirt, flannel shirt and toboggan?
I guess Dwayne had been sitting around and I had been up and working. lol I dunno man, November is when the weather starts turning in our part of the world.
I WILL BE CALLING SOON! EVERY TIME I CHANGE OIL I CLEAN THE INTAKE OUT WITH MAP SPRAY AND CARB SPRAY USING Q-TIPS, SUCKS
Yeah, and just imagine what that is doing to the combustion chambers.
I should have said MAF Spray
Shots fired
😮😃
Laminar flow of air vs turbulent. Rough surfaces cause turbulent flow.
Thank you!
Here is a test we did with some interesting results- czcams.com/video/uoRtxSfWtNM/video.html
Ok, so I have a 2020 Harley Street Glide Special 114ci with Thundermax ECU. S&S 475 cam chest kit, Bagger Brothers exhaust, and an Arlen Ness Big Mouth inverted air cleaner. I currently have 118 lbs of torque. What DK air cleaner would I need to get to increase my torque and horsepower?
Skip the air cleaner because it does nothing to increase power. Go right to a turbocharger. It will force more air fuel into your intake stroke when your intake valve opens. The new cams allow for more air fuel on the intake stoke but your air fuel intake is still limited by how much air fuel the piston draws in when the valve opens
Both the 587 and 606 will give you a noticeable bump in power over the AN air cleaner. The 636v will give even more because of the venturi effect. www.dkcustomproducts.com/outlaw-hiflow-636v-air-cleaner-system-harley-milwaukee-eight-dk-ac-636v-m8-cs.htm
Only 118? Something is wrong-
How much does this COST to change to the DK system.
It depends on what year and model bike you have, and what you are currently running on your bike. If you email or call with that information, we can give you some choices.
You can also go and look at some choices at this link- www.dkcustomproducts.com/air-cleaner-intake-c10.htm
Contact info: Support@DKCustomProducts.com or 662-252-8828
Thank you for looking at our parts. 👍
2017 flhx bassani slip-ons k&n air filter
@@bradduffield9603 Gotcha, shoot us an email or give us a call and we can help you with the options and assist you in ordering.
You forgot to mention to increase the fuel to match the air, and to remove the airbox, and replace k and n air filter, I did that it do increase horsepower, by 30%, and I also use a racing engine oil, v power fuel, racing spare plug, rk chain with no rubber o ring, and last ceramic ball bearings, all there add up total increase horsepower, by 30% or more. However I did not change the racing exhaust, if I do that and change to bigger main jet to increase more fuel, my bike will go to 12000 to 13000 rpm which my bike red line is 10000 rpm, and second I cannot pass inspection in my country law.
What Harley are you running up to 12,000 RPM?
@@DKCustomProducts mine is not harley mine is a korean chopper
👍
Show us some dyno runs to support your claims. Let's see the numbers.
Here ya go, lots of them at this link- www.dkcustomproducts.com/differences-between-outlaw-hiflow-air-cleaner-systems-dk-faq-acs.htm
And here are a couple of videos, there are more, browse around our CZcams channel-
czcams.com/video/Ajl5YHiArVE/video.html
czcams.com/video/KT-Ts7YFtV0/video.html
The whole harley stage thing is so lame.
It certainly is when done in the typical manner.
For anything good, there needs to be a Strong Foundation. Check out this video- czcams.com/video/GK5x3lcQvJU/video.html
Can you run 636v air cleaner with the cobra slip on mufflers with no tune , on 22 tri glide .
Yes. The tune on your 22 M8 will stay in the safe AFR, even with the 636v and free flowing slip-ons. Here is a video you may find useful- czcams.com/video/0vbTkRvFa80/video.html
Tune it without a filter and check the numbers then put the filter you want on and check the numbers again, you'll be surprised of what you see
Why tune it without a filter...not going to ride that way....plus the engine without the filter will produce less power than one with a good intake.
It's just a reference
@@wtf0101 Yes, it is interesting. Many years ago, we spent a day on the dyno doing that with over 10 different air cleaner systems.
All of our Outlaws systems produced more power than when running with nothing.
The two stock systems produced less power than running nothing....that is how restrictive they are.
"organized air flow" really helps generate power.
@@DKCustomProducts
Right on bro👍
Saying SE are wannabe high performance air filters was pretty deep lol
Yeah, pretty basic, but so many folks get them and then are disappointed.
@@DKCustomProducts makes me feel like I waisted $600 on an SE filter.
@@adminadmin9997 If you are happy, it was not wasted. If you got the performance increase you wanted, it is not wasted. If you were looking for the most performance increase possible and/or to increase the longevity of your engine, you can do much better. But the good news is that the SE can be modified to be better....IF you are not happy.
I like your videos as they are informative. However when you guy's talk the elderly gent is barely audible, he needs to speak at the camera. Take Care
Thank you, glad you are finding the videos useful/interesting. 👍
Sorry for the audio on our older videos. We have it dialed in now and there should be no volume issues in our videos for the last year or so.
That fourth factor. Airflow AFTER filtering and before getting to the cylinders. Manufacturers of cars, trucks, and bikes all have used some sort of bell mouth or smooth hose to straighten air flow. In particular on our harleys, bell mouth inlets or "velocity stack" rounded edges that smoothly transition the airflow inside the air cleaner just before the throttle is important. Many aftermarket air cleaners have a flat, sharp edge and a hole leading into the throttle. This is TERRIBLE design and makes the airflow not just turbulent with dead spots and sputters at low rpm- it also makes the air column at the throttle tighter and smaller in diameter. Small vortexes come off the sharp edge of the inlet hole that prevents the full diameter of the hole to be able to flow. These designs restrict the air flow and can actually make the bike run worse and slower than the stock setup. There are some videos showing this phenomenon on CZcams.
Yes, this is one of the reasons we use dyno testing. To test out theories. Sometimes something that makes sense, like what you outlined above, test out to be true, and other times they can really surprise you and then there is more research to be done.
We actually tested exactly what you outlined above, and we'll be making a video of it.
Thanks for your comment!
@@DKCustomProducts Excellent! You guys seem to really care about your products. I've purchased some of your stuff and was impressed! Look forward to the dyno tests!!
@@whatmakesittick8362 We do care. We only make parts that we run on our own bikes. If a part does not do what it is supposed to do, then it would be wrong to make it or sell it. That is akin to stealing. We want only happy Customers, Customers that get something from us and are well pleased with how it works.
We appreciate your business, and good to hear you are digging the parts you have gotten.
Air filter are ur choice ,, more air ,, better performance,, but also to u all 2 into one exhaust does not give ur more horse power then true duals ,,, I’ve Dyno my bike and there’s 0 horsepower difference
Thanks for the comment.
There are many different 2-1 and true duals.
Normally (not always), a true dual will produce as much or more HP than a 2-1. Normally (not always) a 2-1 will produce more torque, and usually at a lower RPM, than true duals.
👍😀
👍 MB
It seems once the bike leaves the showroom it's work in progress
Harley's are one of the most customizable bikes!! Thanks for commenting! 😎👍 MB
You’re telling me a 90 degree Arlen ness monster air sucker is a “ performance cleaner “
No. Am saying that AN and many others call it a Performance Air Cleaner
@@DKCustomProducts whoops I meant wasn’t. How is it not
@@Bigiron429 The backplate does not flow well, but the biggest thing is that it feeds hot, oily, oxygen depleted air into the throttle body (which can gum up the sensors) and then into the combustion chambers, which rob performance.
You can see details and photos of what happens when you run this type of air cleaner on a bike at this link- www.dkcustomproducts.com/overview-of-external-breather-systems-ebs.htm
All I ever see from a stage 1 upgrade form HD is more noise, so for some reason people think they have more power, lol.
Yep, most folks that do a HD (Screamin' Eagle) Stage I see little to no improvement in power....but as you say, they are a bit louder than stock, giving some the illusion of more power.
Just put a catch can on
Yeah, using an External Breather system will certainly help! 👍