BIG GUN EVO MINI SERIES EXHAUST EVO Mini Series exhaust system made for all motorcycles or ATVs from 55cc to 230cc. Contains our state of the art computer mapping power curve to get the best bro ... View Details

BIG GUN EVO R (RACE)SERIES FULL EXHAUST EVO R Series exhaust system has 27 years of Mike Young’s personal racing career built into it Mike has found that having the most horsepower and the light ... View Details

BIG GUN EVO R (RACE)SERIES SLIP-ON EXHAUST EVO R Series exhaust system has 27 years of Mike Young’s personal racing career built into it Mike has found that having the most horsepower and the li ... View Details

BIG GUN QUIET SERIES EXHAUST ICC (Internal Ceramic Coating) head, mid-pipe and tailpipe (value: 1/2 hp lower engine temp, longer engine life). ECC (External Silver Ceramic Coating) head, mid-pip ... View Details

BIG GUN EVO LIMITED BLACK SERIES Black ceramic coated inside and outside. Handles up to 1800° the highest rating of any ceramic coating High gloss black hi-temp powder-coated silencer Incorpo ... View Details

BIG GUN EVO X SERIES EXHAUST Comes ready to be a racing pipe or a more subtle quiet pipe to meet the strict 94-96db sound restrictions. 18 gauge mild steel pipe. Internal/external ceramic coa ... View Details

BIG GUN REV BOX Enhances the power curve and adds 2 horsepower. ... View Details

BIG GUN EVO X SERIES SLIP ON EXHAUST Comes ready to be a racing pipe or a more subtle quiet pipe to meet the strict 94-96db sound restrictions. 18 gauge mild steel pipe. Internal/external cer ... View Details

HMF FULL EXHAUST SYSTEM Specifically designed for 4-stroke dirt bikes Available in slip-ons for most MX, enduro and dual sport bikes These mufflers are packed with guaranteed horsepower and t ... View Details

HMF SLIP ON EXHAUST SYSTEM Specifically designed for 4-stroke dirt bikes Available in slip-ons for most MX, enduro and dual sport bikes These mufflers are packed with guaranteed horsepower an ... View Details