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KFX450Rrider490
07-25-2008, 08:01 AM
whats the best exhaust thats under 99db cause i need to watch the noise levels otherwise i wont be riding anywhere
any responds would be helpful

graham300ex
07-25-2008, 08:17 AM
well most exhaust for the 300 are under 99 but it depends on what brand ur looking for?

honda300EXtreme
07-25-2008, 10:10 PM
HMF with quiet core, it will make the machine perform much better and it will also meet any sound requirments you might face, and for the price you cant go wrong

HmF300ex
07-26-2008, 01:20 PM
Ye i gotta HMF its about 103db without the quiet core but with it its around 94 I would also recommend HMF, for the price their the best pipe you can get, they resonate nice too.

graham300ex
07-26-2008, 05:25 PM
ya hmf are good for a slip on price. i got an e series so u can tune it with discs but its pretty loud

cam300ex
08-23-2008, 08:15 AM
my friend has a db gauge and me hmf slip on came in at 102-103 w/o the quiet core and w/ it it ran 96 awsome pipe!!!!