[the difference betweem stock and after market pipes expland here.] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

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the difference betweem stock and after market pipes expland here.
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Posted by: redracing88

this is my version got my 440 installed on my 400 ex had a alba slip on cut in half (like the noise) with the hot cams 2 and new clutch this mofo had balls. like bad *** power.

everyone were i live was complaining so i bought a stock pipe slaped it on and omfg it got quiet. i was mad anyways...

with the aftermarket and the 440 kit it had power everywhere low end and mid was a white knuckler.

stock pipe took all the low and mid away and now only has little power in the top end. it feels like a darn 2 stroke when you ride it.

thought i would sum it up for yall.

any other question im me at RedRacing88

Posted by: prepracing

REALLY

Posted by: ELewandowski

I know when i put the 440 kit in. I was told by the guy who did the head porting that i needed to upgrade to a full exhaust(pipe/muffler) to get the full benefit of the 440 kit.

Posted by: gario08

is it just me or is this thread alot of help

Posted by: redracing88

well think of it that way i bet some ppl didnt know that!

Posted by: Halter

Stock pipes are just too quiet too...I mean sheesh...its ridiclous

Posted by: rummerd

here you go.

Posted by: buster024

thanks for probably posted the funniest f-n web pic ever.....

Posted by: rummerd

I found that on another forum, I could not stop laughing.

Posted by: dap

The difference you are feeling is the muffler length. The shorter the muffler the more "torque" you will feel from bottom-mid but loose on top. Vice versa for longer mufflers... Longer = more top less bottom. Baffles will also have a lot to do with it and internal design. I am new to quads ... but some mufflers have chambers and others are straight through designs. Hope that helps. Its all about back pressue!

Posted by: rummerd

Back pressue? WTF is that? DON'T MAKE ME BRING BACK THE BUNNY!!

Posted by: ELewandowski

how did you get the bunny to sit still with the pancake on his head

Posted by: rummerd

That Bunny works at the local Diner. He just hops around with the food on his head and brings it to your table. He is very good at his job.