Flowmaster 30 Series Delta Force Race Muffler - 4" Center In / Out

The Delta Force 30 series race mufflers utilize Flowmaster's Delta Flow technology and are designed for race applications needing to meet the most stringent decibel level requirements at the track...

Flowmaster 40 Series Delta Force Race Muffler - 2.5" Center In / Out

The Delta Force 40 series race mufflers utilize Flowmaster's Delta Flow technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing...

Flowmaster 50 Series HD Chambered Muffler - 3" Offset In / 2.5" Dual Out

Designed primarily for today's heavy duty gas and diesel trucks, this muffler will deliver improved performance, throttle response and mileage. Featuring a deeper, moderate tone with minimal...

Flowmaster American Thunder Header-back Exhaust for 70-74 Camaro V8

For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include...

Flowmaster FlowFX Muffler - 3" In/Out Round Straight Through

Flowmaster's FlowFX series mufflers are for the enthusiast who is looking for an economically priced performance muffler that delivers a moderate sound level and tone, both inside and outside the...

Flowmaster Outlaw Series Race Muffler - 3" Center In / 3.5" Center Out

Flowmaster's stainless steel Outlaw mufflers are the ideal solution for race classes requiring mufflers but having no set sound specifications. Available in two lengths, the Outlaw and Outlaw shorty...

Flowmaster Pro Series Muffler - 3" Center In / Out - Moderate Sound

The Pro Series mufflers work on all applications ranging from street trucks, diesel pullers and RV pushers to every class of racing on dirt or asphalt. During development, at the dyno and track, the...

Flowmaster Pro Series Muffler - 3.50 Center In / 3.50 Center Turn Down Out

The Pro Series mufflers work on all applications ranging from street trucks, diesel pullers and RV pushers to every class of racing on dirt or asphalt. During development, at the dyno and track, the...

Flowmaster Super 40 Series Chambered Muffler - 2.5" Dual In / Out

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...

Flowmaster Super 50 Series Chambered Muffler - 2.5" Offset In / 2.5" Center Out

The Super 50 series muffler is a larger version of Flowmaster's 50 series Delta Flow muffler. Originally designed for trucks and SUV's, it is also well suited to muscle car and high performance...

Flowmaster Super HP-2 Muffler 304SS - 2.5" Center In / Out - Moderate Sound

Flowmaster has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The new Super HP-2 Series muffler offers the same great performance benefits and...