Amp-up the power of your speed machine with Flowmaster Super 44 Series Mufflers. These universal performance mufflers are the most aggressive 4” case mufflers on the market. They are expertly designed to create optimum flow and pressure, too. Choose from smooth, diamond tread or stainless steel finish options. 3-year & Limited Lifetime Warranties.
Trick out your exhaust system with the toughest, loudest, most aggressive mufflers in the Flowmaster lineup: Super 10 Series Mufflers. These stainless steel, single-chamber mufflers pull no punches, unleashing an open-pipe roar coupled with Delta Flow scavenging. Limited Lifetime Warranty.
Give your muscle car or off-road racer the boost it needs to take home that checkered race flag. The Flowmaster Original 40 Series Muffler is the most aggressive sounding exhaust muffler on the market. Crafted with brilliant aluminized steel for corrosion resistance. It boasts a 2-chamber design and is encased in embossed Flowmaster case. Plus, your new muffler carries a 3-year warranty.
Don't settle for a single exhaust tone. With the BBK Vari-Tune Adjustable Performance Muffler, you can modify the exhaust flow for a milder or wilder sound in minutes. Sturdy aluminized or stainless steel construction. Multiple sizes available. 1-year warranty.
For maximum exhaust performance that doesn't stab at your eardrums, deck out your muscle car, SUV or diesel rig with Flowmaster Pro Series Mufflers. Thanks to the Laminar Flow design, these mufflers feel like you're running straight headers but without the headache. 3-year warranty.