Magnum 425 with DG Performance RCM-II Muffler
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- čas přidán 28. 08. 2024
- Couple of rides with the DG Performance RCM-II Muffler, using and without using the quiet core insert & spark arrestor included. Will upload a stock muffler comparison video later.
Second clip credit: www.youtube.co...
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Nicee vid man
I have a 97 425 magnum 2x4, I wanted to know what type of rims and tires are you're running?
Stock aluminum wheels, running Maxxis Mudbugs. 25x8x12 front and 25x11x10 rear
I have two of these broken down fixing them up his summer
Nice, they're fun ATVs and really simple to work on, honestly one of the best ATVs Polaris ever built.
Good to know they’ve been sitting for a while tho so we are going to bring em to the shop we have two hopefully we can build both but we might only be able to build one out of the two sadly
FreddyXP currently I have a Suzuki quadrunner but it’s old lol and slow but reliable
I have one being fixed
Sounds great. Did you so the airbox lid delete too. I did it for mine and it makes it sound really good without buying an exhaust. You do have to rejet it for that though.
And if anyone is wondering. Quick and easy way to gain some power and make it sound better for free is to take the airbox lid off and rejet it to about a 155 to 160.
I get too much air without the lid and with how much water I play in, I prefer keeping it on lol
And yes I definitely had to rejet. I went from a stock 140 main jet and 40 Pilot Jet to a 150 main and 42.5 pilot. Engine was too lean and was popping like crazy on deceleration, but that went away with the new jets. Also had a decent improvement on acceleration and top speed, would recommend 👍
Nice atv I have one as well but it’s the 1996 blue colored 425 magnum i have mudcat tires on mine they are beasts
Does your atv get really hot on the side with the 4x4 button
Yeah that's the midpipe on the right-handed side of the Magnum, lots of heat will come out from there and it's nothing to worry about.
I hate that mine is the same as Freddy’s it gets hot by the awd especially when it’s in awd mode
What size jet did you use after you installed this?
150 main jet and 42.5 Pilot Jet is the sweet spot. Stock setup was 140 main and 40 pilot
Right now I'm running 155 main, but I find it a tad too much when using the stock airbox.
Did you have to resize the jet when you put it on?
Yes, I went from a 140 main jet to 150. It was backfiring like crazy until I changed it
hey what year I got one and I don't feel like going out side to look
1998 4x4
Do you have a 2in lift on it?
Nope, stock height
Does it grind if you try and put it in gear slowly?
If I put it in gear like stupid slow then yes it grinds
@@FredRobich Okay, that's good to hear. I've got a 425 magnum I just bought and the dumb thing has a stuck oil ring, it's a project I knew that when I bought it but I had it running long enough to ride it and it's my first polaris so I didn't know if that was normal. If you just pop it into gear it goes fine but slowly it grinds like you said. Although, as soon as I put it in gear it takes off by itself although still idling, just like an auto car. You can put the brakes on and stop while still in gear, is that normal? Or is it still supposed to sit still by itself while in gear? I just want to figure that out and make sure the tranny is fine before I go rebuilding the motor. Like I said, my first polaris, I don't know what's normal.
@@smokeybandit4910 It shouldn't take off on idle, might be because your idle is too high or somethings up with your clutches. Try tuning the idle with the idle screw underneath the carb and see if that helps.
Does the quiet core come in muffler already or no? I just ordered this muffler
Yup, it's installed from factory
@@FredRobich any power loss from removing it? Still pretty loud with it in there? And how do you go about removing it
@@FredRobich when I purchased it, it said quiet core inserts are sold seperate, that it’s a 98DB sound level as is
@@dylanrex3441 yeah when I bought mine it also said sold separately, this model has one.
Removal is straightforward, 4 screws that hold the exhaust tip which also holds the baffle core with 2 screws. There's also a spark arrester that can be taken off. When re-installing reseal the tip with heat silicone.
No power loss after removing quiet core + spark arrester, sounds way better and it's not too loud (for me anyway lol).
My biggest improvement was rejetting the carb. I used a 150 main jet instead of stock 140 and installed a UNI single-stage air filter. It no longer ran lean and top speed went from 44mph to 52mph, pretty good for a 20-plus-year-old Polaris 😂👍
@@FredRobich awesome thank you! Mine should be in tomorrow. I’ll see how it sounds with the quiet core in it and I’ll go from there! Thank you. You’ve been super helpful man!
Where'd you get the exhaust?
Bought it from Amazon in Canada.
CA: www.amazon.ca/DG-Performance-Slip-Arrestor-051-5400/dp/B007GRH3IC/ref=olp_product_details?_encoding=UTF8&me=&qid=1572466875&sr=8-1
US: www.denniskirk.com/dg/rcm-ii-slip-on-muffler-with-spark-arrestor-051-5400.p435935.prd/435935.sku
@@FredRobich was it always 470$?!!
@@Tru2DeathSon unfortunately no, I got it for 220 CAD$ plus 88$ shipping back then.
eBay might be the cheapest route but it's also stupid expensive :(
www.ebay.ca/itm/175847220931?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=HBNs5dwuR4m&sssrc=4429486&ssuid=GPzG9H5pQ5W&var=&widget_ver=artemis&media=COPY
What type of tires are you running
Maxxis Mudbugs, 25x8x12 front and 25x11x10 rear with stock rims, amazing tires
What is the top speed?
Most I've ever done was 85 kmh / 52 mph. Changing the main jet to 150 did a huge difference from the stock 140 jet.
155 main jet starts bogging in warmer temperatures
@@FredRobich ok thanks
Pixel