Choose the muffler that brings the most power and sound to your high-performance ride. The Flowmaster Super 40 Series Muffler maximizes your HP and torque, with a deep exhaust tone. When it's time for a serious muffler, Flowmaster 40 Series Mufflers are the serious choice.

Flowmaster builds your Super 40 Series Muffler from corrosion-resistant aluminized or Stainless steel. Precision MIG welds keep it strong and durable for years of cruising. The Flowmaster Super 40 Series features a two-chamber design that increases your horsepower and torque. The Flowmaster 40 Series sound is deep and rich, and thanks to the Gen II Delta Flow chamber technology, you don't get annoying interior noise and resonance.

Your Flowmaster Super 40 Series Muffler is built with a smooth black case for a nice finished look or presented as a bright Stainless Steel muffler. Plus, it's backed by Flowmaster's 3-Year Warranty, so you know it's a muffler you can count on.