aFe Mach Force-XP Exhaust 3in CB SS 15-17 GM Colorado/Canyon 2.5L/3.6L Side Exit w/ Polished TipaFe Mach Force XP Exhaust 3in CB SS 15 17 GM Colorado Canyon 2. 5L 3. 6L Side Exit w Polished Tip Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of choice for a high performance aftermarket air filter. We are a team of engineers, machinists, production