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View Full Version : Quiet Exhaust


proff x
05-14-2009, 11:49 PM
I have a problem, neighbors. i have an 05 trx450r my HMF slip on has become a problem, after i modified my motor this winter my quad wasnt what it was before. AKA its A BEAST. but anyway my neighbors have decided to complain and have come to the point where they are offering to buy me a new muffler. I have the stock exhaust. but with the high compression factor would really like to stay away from putting it back on. so i was wondering if anyone new of a quiet exhaust full or slip-on cost is not relevant.

Thank You
P.S. i had a big gun evo x and it was quiet up until it fell apart. big gun refused to honor my warranty because i didnt repack the exhaust every 18hrs as required.
sparks 450
05-15-2009, 12:03 AM
yoshimura makes a good quiet exhaust.
Colby@C&DRacing
05-15-2009, 09:19 AM
you could try the quiet core for the hmf exhaust and see if that is enough.
Honda4life05
05-16-2009, 06:00 PM
fmf makes an quiet exhast called the "q2" an "q4"
proff x
05-17-2009, 09:50 AM
i have the quiet core in and just repacked it and it is still loud.

im thinking yoshi, dr d or the fmf
05-18-2009, 06:12 PM
Mufflers with disks can be made quiet as you want.
Sejanes
05-21-2009, 10:15 AM
I just put an FMF megabomb and Q4 on my 07 trx450 and it is not much, if any, louder than stock.
Tommy Warren
05-21-2009, 10:23 AM
motoworks is kinda loud but it doesn't have the obnoxious bark like the yoshi pipes do
quadman21
05-26-2009, 04:04 PM
I'm in the same boat. I have an 05 TRX450 with the HMF. I bought a quiet core insert and have re-packed it twice. It is still way too loud. I love the performance the HMF gives me, it's an awesome pipe. However, I need a quiet solution. AMA/ATVA legal.
BEAVER.989
05-26-2009, 05:38 PM
Look into Two Brothers. They have multiple tip options for differnet noise levels.

Yoshimura also has 94dB cores for their exhausts.
proff x
06-05-2009, 05:37 PM
im think im going to go yoshimura not bad price wise of rockymountain, i like the lte duals but the price is just way out their.
zwark
06-05-2009, 10:24 PM
Originally posted by proff x
im think im going to go yoshimura not bad price wise of rockymountain, i like the lte duals but the price is just way out their.

you'll be wasting your neighbors money. might as well put on the stock can to avoid unnecessary issues.
Beaudacious
06-15-2009, 03:41 PM
ive got one ill sell you i had Pro Circuit T4 too loud so i bought a CRF450 silencer with Pro Circuit head pipe actually increased power and made it sound way quieter crisp and racy sound