aFe MACHForce XP Exhausts Cat-Back SS-304 EXH w/ Black Tips 15-16 Ford Mustang EcoBoost 2.3L (t) Throttle Body GMC K2500 Sierra Grande 1980

GMC K2500 Sierra Grande 1980

Buick LeSabre Base 1980

Once fluids become trapped in the reservoir

Ford E-150 Econoline Club Wagon Custom 1988

aFe MACHForce XP Exhausts Cat-Back SS-304 EXH w/ Black Tips 15-16 Ford Mustang EcoBoost 2.3L (t) Throttle Body GMC K2500 Sierra Grande 1980aFe is proud to introduce our Mach Force Xp cat back exhaust systems. In recent testing, this system produced +16 horsepower and +17 lbs. x ft. of torque on our in house dyno. This cat back exhaust system utilizes 3in into 2 1 2in tubing with a clamp on reduction tube to fit the stock connections. Remove them and combine with the aFe Power Twisted Steel down pipes (P N: 48 33017 HC or 48 33017 HN) for added flow and performance. This system