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It' 304 Stainless Steel, as are the bolts and lock washers. It's the best we could do. I believe they would survive the winters. Thank you for your interest!

@kevinjonker7792 thanks. Living in Canada I'm always worried about exposed bolts siezing up. Maybe I can put a coat or some rubber covers on it in the winter

@@FlamesEnjoyer I would use anti seize on the bolts. We recommend that on the website.

Sorry for the delay in answering your question. We have the design for that (vacuum, electrical, cable actuated). That being said, it takes a fair amount of resources to do the cad design etc. We are looking for a partner to bring this new design forward. It would revolutionize the exhaust cutout market. Thanks for the input.

We have a great design that does exactly that, we just need a partner to bring it to fruition. It will revolutionize the cutout industry.

$149.00 per side.

Hello Kadin, We typically ship next day. If it's on a weekend it will ship out Monday, USPS Priority Mail. And shipping's free!

@@kevinjonker7792 thank you so much for the response 🙏🏽

@@kevinjonker7792 what is the length on them??

Thanks for the order Mike!

Thanks! It really works.

@@kevinjonker7792 i was looking into it for my land cruiser 100 series. However there isn’t even 8 inches of straight pipe to fit it. Oh well. Hope your product develops.

@@DurisM Thanks for checking us out Mahdi!

Hi Jeremiah, We actually have designs that do just that. The problem is getting the final design finished. As you can see on our website, cuthroatcutout.com, our work shop is small and yet my business partner, made all our prototype designs there. What we don't have is the tooling to finish the final sealing capability. it can be done! We hope to find a partner that can bring about the perfect adjustable exhaust cutout.

@@Ab01-p6p Not as of yet. It's going to be very tough with the current economic conditions. I wish I had better news...

Unfortunately Carlo, due to cad design/prototyping/manufacturing costs, we had to stick to one size that would cover multiple common performance exhaust tubing diameters. 3 inch diameter in our opinion was the best all around size. Thanks for the question!

Thank you for replying, great product!!!

Thanks Julian!

Thanks for the kind words. We just wanted to give the gear heads the opportunity to have the best sound and flow!

As far as the dzeus fasteners go, they wouldn't pull the inserts down tight enough to prevent exhaust leaks. Our design is based on two flat surfaces without the need for a gasket. Like the old Volkswagen engines.

Hi Luard. Air just doesn't sit still, it is always fluctuating/moving. The airflow down the pipe can actually act like a vacuum.

Just rather check it out or talk to someone that knows a lil bit about air flow.... if the valve is closed... yes there would be some what air movement in front of it... but at that part its at its highest pressure... back in the line where the split is... y pipe... the other side is free of no pressure... easiest path aint it... or did you do a flowdynamics test yourself on this

Hello yootoob. Unfortunately, electric = compromised flow and turbulence. No electric design will give you the best performance. The decision is better performance or controlled exhaust leak? Here is our most recent video: czcams.com/video/3Ch4hCTPTZw/video.html

Hi Collin, I have never myself heard or experienced an issue such as this. There have been thousands ( if not hundreds of thousands of different designs of exhaust cutouts installed since the internal combustion engine was first designed. I wouldn't say it is impossible, I just have not experienced it. If it is a concern to you, then give it your best judgement. Thanks for your input.

Yeah, i was thinking the same thing

I know I'm kinda off topic but do anybody know a good site to watch new movies online ?

@Chris Billy Flixportal =)

@Howard Talon thank you, I signed up and it seems like they got a lot of movies there :D I appreciate it!

@Chris Billy happy to help :)

Not at all. They are extremely solid. We offer a 90 day, no questions asked, return policy. Please visit our website cuthroatcutout,com for more details.

Hi Jeremy, That is doable, the problem is you create a definite area of turbulence and restriction. At some point in that type of setup the exhaust is running into a closed butterfly, and having to reverse it's flow and find the open butterfly. Typically that can end up being a couple of feet of exhaust pipe that the exhaust is having to travel back against itself (restriction/turbulence) to get to the atmosphere. Plus it is very expensive. Thanks for the comment!

Kevin any updates. ?

Hi Steve. I'm sorry that I didn't see this earlier. Here is our newest video and website. Thanks for your interest! czcams.com/video/3Ch4hCTPTZw/video.html, cuthroatcutout.com

Were working on it Ben. Were just a small business that's trying to get what we feel is a promising product out to the enthusiasts. Thanks for the comment!

Hi blubag, many performance enthusiasts that run/test/tune their cars at a track spend a lot of time under, over and inside their vehicles getting them ready for track time and back to street for the drive home. There is definitely a power advantage to a full, free flowing exhaust. Also, I have seen many you tube videos of enthusiasts driving around with open headers/straight pipes, loud exhaust contests etc. enjoying the sound. The Cuthroat is the only design that can give full open exhaust with the least amount of effort. Granted, you do have to unbolt 4 bolts. No electric design can match our flow without turbulence/restriction/reduced flow. Butterfly valves have that inherent design flaw.

I am not sure I am following you Carlos?

SI Ricko, Not following your line of thought. If you put the butterfly on the straight side, when you shut the butterfly the motor would stall wouldn't it?

Kevin Jonker go look on my channel at my latest video.

SI RICKO Where do i find your channel cause in my mind youre right,,,, should be able to completely close off exhaust to mufflers and force it out the unrestricted cut outs... picture a cut out with the valve on the straight pipe instead.... Ive only seen one set like that but dont know who makes em??? i was gonna install 4!!!! just to totally seal off the mufflers and send it out the cut outs.....

Derek Lane click on my name.

Derek you will still create a lot of turbulence with that setup. But it maybe the best you can do if you have to have an electric motor design. cuthroatcutout.com

Not at all Allan. It is very tight. We supply 18-8 Steel bolts and stainless lock washers. Check out our new design which is much more compact! cuthroatcutout.com

Kevin Jonker thank you! I will get one soon. :) I really want to hear my turbo spool! :)

Yes, depending on the application, the horsepower advantage will vary. We have seen Turbocharged rides go 5 mph faster in the 1/4 mile (on low boost)with our track insert. The cats definitely do cause restriction, so we try to help exhaust flow from that point back. Some of our customers just like the convenience of being able to have a true fully open exhaust (sound) when they desire it. Thanks for your input!

Turbulence is extremely restrictive

That it is!

Hi Llia, We had to make a decision as to what diameter to start with as tooling and production are very expensive. We felt that 3" would cover the majority of exhaust. We have had a number of customers install their Cuthroats on 2.25 diameter pipe with great results! It still flows well.

We do have such a design. It takes monetary funds to bring it to fruition. We can revolutionize the cutout industry.

It is a very hard thing to do, that is why no manufacturer has come up with the ultimate exhaust cutout. We are working on it. It will take some time and R&D.

What about the Chinese ones?

Virtually all the electric butterfly cutouts flow partially out the butterfly while a good percentage still flows on down through the exhaust pipe. We call these controlled exhaust leaks. The Cuthroat Cutout puts all the exhaust directly to the atmosphere for instant exhausting, allowing the motor to breath more efficiently. It is the only design that can do that without turbulence or restriction. Butterfly exhaust has been around since at least the 1800's

Kevin Jonker any update?

Hi Caleb, nothing to report yet unfortunately.

Good day Sir. Yes it would work well in the resonator delete pipe. It gives you the ultimate breathing capability (especially with the Turbo motor), with the option of returning back to the previous system. If you have any other questions please e-mail us at cuthroatcutout@gmail.com and send some pics of your MazdaSpped3!

Hi Deguello, let us know if we can help. They will out breathe any current exhaust and I don't know how you could lose any exhaust contests! LOL cuthroatcutout@gmail.com

Hi Platnum, there coming. We understand everyone perceives things differently:)

Hi Alejandro, Down the road we may be able to accomplish that. But it will take a lot of research and development. This is why we came up with this unique design. Remember, while electric/butterfly cutouts are neat because of their ability to be controlled, they also have a fairly consistent rate of failure because of that adjustability. The butterflies leak, they stick open, the gear teeth strip, motors fail etc. Also they just don't flow well. Remember if your running our Cuthroat Cutout open after the catalytic converter, odds are it will sound great for most driving situations. It only takes a couple of minutes to change. Very easy on a pick up truck or any vehicle for that matter. Also a cordless drill makes it even easier. Kevin

They already make things like that but I think it'll be worth getting out of your truck

Should be easy to change if you have a truck

I got 38s and 9 inches of lift so it's quite easy for me