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-Meets USFS and FIM World Enduro sound regulations
-Enhanced sonic evacuation provides for higher flow and increased power
-Only US manufacturer to offer dedicated quiet exhaust systems
we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering - moving the muffler closer to the motor to centralize mass
Huge horsepower gains throughout RPM range
Powercore 2.1 025315 YAMAHA-YZ250F-2009 -Meets USFS and FIM WorldFMF is about moving forward faster. The all new PowerCore 2. 1 silencer is proof FMF is totally committed to 2 stroke progression. FMF loves 2 strokes, they ride 2 strokes, and they are devoted to delivering superior power to the 2 stroke faithful. Race tested, smooth power curve throughout the RPM range. Engineered to assault today's tracks and trails Larger diameter canister for more tunability and longer lasting packing life. Delivers a crisp,
US$ 180.00
US$ 830.11
US$ 29.99
