Comp Series Full Yam

Arguably the hightest performing after-market exhaust on the market, the HMF Competition Series is a pure blend between optimized performance and versatility. The secret to it's power lies within the Trimax Core. This unique triangular core accepts specially designed exhaust inserts that provide the rider the ability to quickly change the power and sound according to the current riding conditions.
Features:

• Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available


• EQUAL POWER: The Competition Series distributes power evenly throughout the entire RPM range


• VARIABLE SOUND: Three exhaust inserts are included to give the rider the ability to quickly change the power and sound according to the riding conditions


• MECHANICAL CORE: The Competition Series uses a mechanical core to control exhaust pulses and set power levels where they*re needed


• LESS WEIGHT: The exhaust shell is made of T6061 Aluminum that weighs substantially less than stock

Fitment:
2004 Yamaha YFZ450
2005 Yamaha YFZ450
2006 Yamaha YFZ450
2007 Yamaha YFZ450
2008 Yamaha YFZ450
2009 Yamaha YFZ450
2012 Yamaha YFZ450
2013 Yamaha YFZ450