Flowmaster 50 Series Big Block Muffler - 3" Dual Inlet / 2.5" Dual Outlet M59S1 The #1 Body Choice For

The #1 Body Choice For Top Dirt Racers

Cam Sensor

high strength shell

Power-Deploying

Engine Valve Cover Gasket Set

Flowmaster 50 Series Big Block Muffler - 3" Dual Inlet / 2.5" Dual Outlet M59S1 The #1 Body Choice ForThe 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under heavy loads. Well suited to heavy duty vehicles such as full size trucks, SUV's, RVs, and tow vehicles. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: Durable