TWIN AIR Replacement Backfire Filter 154218FR Exhaust along with the Power Commander

along with the Power Commander PC5

All Graves Motorsports fender eliminator kits are fabricated from black power-coated 5052 aluminum for long term reliability and great looks

GMS Cat Elim with included sound insert at Idle 82db GMS Full System with included sound insert at 5000 rpm 92db

One-piece design with a rubber or chrome top

TWIN AIR Replacement Backfire Filter 154218FR Exhaust along with the Power Commander2 stroke kits include a Twin Air filter and a rigid, lightweight, billet aluminum cage that replaces the flimsy plastic stock cage and provides a tight seal to the airbox4 stroke kit replaces the air restricting stock backfire screen with a special backfire resistant layer of foam laminated to the inside Airbox kits include a complete airbox that increases the volume of the intake, wash plug, cage and all mounting hardware Includes a rigid,