Flowmaster FlowFX Muffler 2.5" In Offset/Out Offset Tach Recall Switch GM applications with 3-1/2" O-ring/filter

GM applications with 3-1/2" O-ring/filter diameter

Aeromotive Regulator Dominator Flange

GM HEI Distributors

RPM Power Range: 3000 to 7000 / Redline: 7500 plus

Flowmaster FlowFX Muffler 2.5" In Offset/Out Offset Tach Recall Switch GM applications with 3-1/2" O-ring/filterThe FlowFX series muffler delivers a moderate performance sound level for the enthusiast looking for an exhaust tone that is different from the "chambered" muffler sound that Flowmaster is famous for. These straight through style mufflers feature a 409S stainless steel case and the quality you would expect from Flowmaster. Vehicle Applications: 1988 1993 Chevrolet C2500 1988 1993 Chevrolet K2500 1988 1993 GMC K1500 1975 1980 Chevrolet K10 1975 1981