Performance Mufflers

Flowmaster Flow FX Performance Muffler 3" Center/Center - 71249

Upgrade your vehicle’s exhaust system with the Flowmaster FlowFX Series Muffler, designed for enthusiasts who want increased performance with a refined tone. This muffler features a straight-through stainless steel perforated core surrounded by...

Flowmaster 50 Series HD Three-Chamber Muffler 3"-2.5" Center/Dual - 9530572

Upgrade your heavy-duty truck with the Flowmaster 50 Series HD Muffler, engineered specifically for large engines and towing rigs. Built with a substantial case size and 4.00-inch internal components, this muffler is crafted to boost horsepower, torque,...

Flowmaster Delta Flow 40 Series Performance Muffler 2.5" Center/Center - 942540

The Flowmaster 40 Series Delta Flow Muffler is engineered to deliver a deep, aggressive exhaust tone while minimizing interior cabin noise. Utilizing Flowmaster's patented Delta Flow technology, this two-chamber muffler optimizes exhaust scavenging,...

Flowmaster Super 44 Series Chambered Muffler 2.5" Offset/Offset SS - 942549

Upgrade your performance build with the Flowmaster Super 44 Series Delta Flow Muffler — engineered as the most aggressive, deepest-sounding two-chamber street muffler in their lineup. Designed with race-proven Delta Flow® technology, this muffler...

Flowmaster Original 40 Series Muffler 409 Stainless O/C 2.5" - 8042541

The Flowmaster Original 40 Series muffler is engineered for enthusiasts seeking a bold, aggressive exhaust tone. Its chambered design manipulates sound frequencies, producing a distinctive rumble that stands out on the road. Crafted from durable 16-gauge...

Flowmaster Super 44 Series Chambered Muffler 3" Offset/Offset SS - 943049

Upgrade your performance build with the Flowmaster Super 44 Series Delta Flow Muffler — engineered as the most aggressive, deepest-sounding two-chamber street muffler in their lineup. Designed with race-proven Delta Flow® technology, this muffler...

Flowmaster Super 40 Series Chambered Muffler 2.25" Offset/Center - 952446

Upgrade your performance ride with the Flowmaster Super 40 Series Muffler, engineered with the brand’s race-proven Delta Flow® technology. This muffler delivers deep, aggressive tone and excellent performance on high-horsepower vehicles thanks to its...

Flowmaster Flow FX Performance Muffler 2.25" Center/Center - 71415

Upgrade your vehicle’s exhaust system with the Flowmaster FlowFX Series Muffler, designed for enthusiasts who want increased performance with a refined tone. This muffler features a straight-through stainless steel perforated core surrounded by...

Flowmaster Super 44 Series Chambered Muffler 2.5" Center/Center - 942545

Upgrade your performance build with the Flowmaster Super 44 Series Delta Flow Muffler — engineered as the most aggressive, deepest-sounding two-chamber street muffler in their lineup. Designed with race-proven Delta Flow® technology, this muffler...

Flowmaster Delta Flow 40 Series Performance Muffler 2" Center/Offset - 942042

The Flowmaster 40 Series Delta Flow Muffler is engineered to deliver a deep, aggressive exhaust tone while minimizing interior cabin noise. Utilizing Flowmaster's patented Delta Flow technology, this two-chamber muffler optimizes exhaust scavenging,...

Flowmaster Original 40 Series Performance Muffler 2.5" Center/Offset - 42542

The Flowmaster Original 40 Series muffler is engineered for enthusiasts seeking a bold, aggressive exhaust tone. Its chambered design manipulates sound frequencies, producing a distinctive rumble that stands out on the road. Crafted from durable 16-gauge...

Flowmaster 50 Series Big Block Chambered Muffler 3.5" Offset/Offset - 53553

Upgrade your heavy-duty truck, full-size SUV or tow rig with the Flowmaster 50 Series Big Block Muffler; the quietest muffler in Flowmaster’s lineup. Built with a large case size and internal tuning chamber, this muffler combines improved horsepower,...

Flowmaster Outlaw Series Race Muffler Short 5" Center/Center - 15450s

The Flowmaster Outlaw Race Muffler is built for maximum performance and an uncompromising race-ready sound. Designed with a straight-through, short case construction, this muffler delivers the most aggressive tone available from Flowmaster while...

Flowmaster Super 40 Series Chambered Muffler 409 SS 2.5" Dual/Dual - 8525454

Upgrade your performance ride with the Flowmaster Super 40 Series Muffler, engineered with the brand’s race-proven Delta Flow® technology. This muffler delivers deep, aggressive tone and excellent performance on high-horsepower vehicles thanks to its...

Flowmaster Super 44 Series Chambered Muffler 3" Offset/Offset - 943048

Upgrade your performance build with the Flowmaster Super 44 Series Delta Flow Muffler — engineered as the most aggressive, deepest-sounding two-chamber street muffler in their lineup. Designed with race-proven Delta Flow® technology, this muffler...

Flowmaster Super 40 Series Chambered Muffler 2.5" Center/Offset - 952547

Upgrade your performance ride with the Flowmaster Super 40 Series Muffler, engineered with the brand’s race-proven Delta Flow® technology. This muffler delivers deep, aggressive tone and excellent performance on high-horsepower vehicles thanks to its...