Flowmaster Super 40 Muffler 3" Center Inlet/2-1/2 Offset Dual Outlet 13-1/2 x 10 x 5" Oval Body 19-1/2" Long Steel - Alum 29022P a highly comfortable professional fit

a highly comfortable professional fit

the increases averaged 5+ ft-lbs

12 AN Ports

Tunnel Mounted

The COMP crankshaft socket for GM LS GEN III/IV is the last crankshaft socket that you'll need

Flowmaster Super 40 Muffler 3" Center Inlet/2-1/2 Offset Dual Outlet 13-1/2 x 10 x 5" Oval Body 19-1/2" Long Steel - Alum 29022P a highly comfortable professional fitThe Super 40 features Flowmaster's Delta Flow technology. It's larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow technology. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability. Vehicle Applications: 1988 1992 Chevrolet C2500 1988