Flowmaster Super 40 Delta Flow Muffler - 2.25" Offset - Inlet / Center Outlet Quarter-Turn Fastener Adjuster 1955-1959 GMC F370

1955-1959 GMC F370

Peak RPM memory recall

The Multi Input controller has an easy-to-remove plug covering the programming dipswitches and a programming legend on the back for the 0-5v and frequency based settings

Our selection includes sizes to accommodate all popular fuel line sizes

Contain the mess of bleeding brakes by capturing fluid in this 16-oz

Flowmaster Super 40 Delta Flow Muffler - 2.25" Offset - Inlet / Center Outlet Quarter-Turn Fastener Adjuster 1955-1959 GMC F370The 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