1979-1989 Ford F Performance Muffler Flowmaster Stainless Steel TBD 2005-2007 Ford F-250 Super Duty

2005-2007 Ford F-250 Super Duty 415 CID

if you have the Second Design please see FKT8901OM

Designed to work seamlessly with OE and ANY aftermarket replacement system

1993-1999 GMC C1500 305 CID

1988-1995 Chevrolet K3500 350 CID

1979-1989 Ford F Performance Muffler Flowmaster Stainless Steel TBD 2005-2007 Ford F-250 Super DutyOverview: The 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&reg technology. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: Noticeable interior resonance