Description
Flowtech Super Street Header Back Dual Exhaust System 1973 87 Chevy GMC 1500 2500 3500 4WD Truck 305 400 H764001M When tuning an engine using WEI7155 When tuning an engine using wideband AFR feedback control on an inertia dyno Direct plug in installation to FAST 1979 1986 GMC K2500 We hope you enjoy your Flowtech product as much as we enjoy building it