Sweet
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Geary -
May 14, 2013(Scottsdale, AZ)
The fit was okay and was easy to install. I like the lower end power gain without being obnoxiously loud. I matched it with the mega-bomb header at the same time. After taking it out a few times it was time to re-jet. Very happy with the results!
love it
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David -
September 24, 2012(Houston, TX)
love it just got it on the bike a few hour ago and love sounds good and looks good love it.
Great Product
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Joe -
September 17, 2012(toledo, OH)
This pipe was easy to install and did not seem to take away any power. It did also make it a lot quieter. Overall very satisfied.
Klr
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charles -
August 15, 2012(edmundston, NB)
Best mod i ever did...Period! day&night difference...perfect fit & finish, very satisfied!
It works like it should
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rkoozno -
August 15, 2012(Granby, CO)
Easy install, sounds great on my TTR, and it did add some low end punch.
Good Muffler
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Cactus -
May 01, 2012(Dover, AR)
The Q4 is a great muffler and the sound tone is good. Very deep and throaty but I wish it was a little quieter.
Lovin It!
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Cassie -
April 19, 2012(Amarillo, TX)
I installed this on my 08 YFZ 450, it was super easy and fast to install, love the sound now, performance boost too. Was worth every penny
Outstanding!
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Dave -
March 16, 2012(West Plains, MO)
Works great, sounds great = no complaint!
Added a Megabomb and FMF programmer and there was a noticeable difference. Highly recommend!
Quality
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Rick -
February 09, 2012(Tucson, AZ)
It's not too loud and has a better tone (stock sounded like a lawn mower). I made too many other changes at the same time to say anything about performance.
q4 on a dr 200
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Doug D. -
September 27, 2011(oakridge or, OR)
Everything was cool except why do you say this pipe is for a 2009 or 2010 when it fits perfect on my 2004 maybe you should check your application. Thank you.