12” x 15” Repacks glass packed silencers on expansion chambersReduces noise caused by burned out packingRestores correct back pressure

The world’s only 5-step 4” performance system, triple stepped headers for anti-reversion, full range torque and optimal horsepower2½” to 3” stepped louvered, power thrust baffles4½” muffler with 2½” O.D. full-length, 1-piece 220º heavy duty 16 gauge heat...

Steel exhaust pipe with an aluminum silencerNoticeable increase in power and accelerationNo re-jetting required if using stock air boxIncludes primary clutch rollers, rear clutch shoe springs, flange gasket and all needed brackets and hardwareNot legal...