FMF Racing 22007 Gnarly Pipe 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&amp;MDASH;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 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