Flowmaster Super 40 Delta Flow Muffler - 3" Center Inlet / Outlet Derale Performance It doesn't get much hotter

It doesn't get much hotter than that

One quart of AFCO shock oil

2005-2013 Ford F-550 Super Duty

Belts ship as a wrap around system

Flowmaster Super 40 Delta Flow Muffler - 3" Center Inlet / Outlet Derale Performance It doesn't get much hotterThe 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 aluminized steel and fully MIG welded for maximum durability. Features: Durable Fully Welded 16 Gauge Aluminized Steel 3