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Comments On Jan 11, 2013:Made the machine much quieter, which is nice on a leisure trail ride. Also, it is USFS spark arrester approved so I can now ride in state parks. Fits well and is easy to install.
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Comments On Jan 03, 2012:Easy to install. Does not seem to affect performance.
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Comments On Oct 01, 2011:Bolted right in!
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Comments On Feb 21, 2011:Sounds great not to loud, 2003 KFX400 and you could tell it added power
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Comments On Jul 06, 2010:Made a noticable difference in volume and still sounds good. I didn't notice much, if any difference in power. Excellent quality.
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Comments On Jan 15, 2010:this is a well made product! this is my second one i had to buy only due to my friend stealing my first one little to quite for my high perf. 450.
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Comments On Dec 27, 2009:bolts right on under outside tube quiets it down to a respectable loudness and allows for a calmer neighborhood lol
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Comments On Jun 27, 2008:Can't say my ATV has a great sound with this installed but it still sounds good. Most important, I can ride anywhere without anyone complaining.
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Comments On Apr 13, 2008:i always had problems with the cops becuase of how loud my bike was, with this, they don't bother me anymore
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Comments On Nov 30, 2007:U.S.F.S. approvved. No noticeable powerloss. Quiet with a mellow throaty sound.!!!!
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Comments On Oct 24, 2007:It quiets the bike down while in the woods and it passed NJ state inspection Street legal DRZ400S.
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