For an all-around power increase throughout the power range!
Features:

• ALL PIPES ARE ELECTRO-NICKEL PLATED FOR A NON-CHIP FINISH THAT WILL NOT DISCOLOR EXCEPT THE FACTORY PIPE WHICH HAS HAND POUNDED WELDS AND NO COATING JUST LIKE THE WORKS BIKES


• AVAILABLE IN FATTY FOR AN ALL-AROUND POWER INCREASE THROUGHOUT THE POWER RANGE, GNARLY FOR MAX LOW END BOOST, AND REV FOR BLINDING TOP END POWER


• (G) GNARLY PIPES ARE A HEAVY-DUTY TORQUE PIPE FOR LATE MODEL 200CC AND UP AND USES A HEAVY DUTY 18 GAUGE STEEL BODY TO HOLD UP TO THE RIGORS OF OFF-ROAD RIDING


• (FR) FACTORY REV PIPES FOCUSES ITS POWER DELIVERY IN THE MIDDLE AND UPPER RPM'S OF THE POWERBAND. IF YOU ARE RUNNING OUT OF POWER UP TOP, WANT MORE TIME BETWEEN SHIFTS OR DO A LOT OF DEEP BERM/SAND RIDING. THE FMF REV IS YOUR PIPE OF CHOICE