If you want to blow away the competition, you need to outfit your ride with a top-performing aftermarket muffler. Choosing the right muffler can be challenging, however, since there are so many to choose from. It’s important to know what you’re looking for and to choose a muffler accordingly. Here are some of the top-selling Flowmaster mufflers that are designed to increase your torque and horsepower to help you blow the competition away at the line.

Super 40 – Two Chamber Mufflers

The Super 40 muffler was developed from Flowmaster’s Top Ten race muffler lineup for use on the street and the strip. This muffler is ideal for higher horsepower vehicles. Features a black, oversized case, which helps keep resonance at a minimum inside while allowing a deep tone outside. It’s constructed of 16-gauge aluminized steel and fully MIG-welded for maximum durability. 5” thick x 10” wide x 13.5” long with inlet/outlet sizes from 2.25” up to 3”.

Flowmaster 952546 - Super 40 Muffler Offset inlet / center outlet

Flowmaster 952548 - Super 40 Muffler Offset inlet / opposite side offset outlet

40 Series Delta Flow – Two Chamber Mufflers

If you have a late-model performance car or truck, you can equip it with a 40 Series Delta Flow for increases in torque and horsepower. This muffler is designed to minimize interior resonance, yet still offer an aggressive exterior tone. It’s available in aluminized and 409S stainless for harsh weather applications. And, it’s 4” thick x 9.5” wide x 13” long with inlet/outlet sizes from 2” up to 3”.

Flowmaster 942441 - Offset Inlet / Center Outlet Aluminized - 2.25 inch Inlet/Outlet Size

Flowmaster 942442 - Center Inlet / Offset Outlet Aluminized - 2.25 inch Inlet/Outlet Size

Flowmaster 942443 - Offset Inlet / Opposite Side Offset Outlet Aluminized - 2.25 inch Inlet/Outlet Size

Flowmaster 942541 - Offset Inlet / Center Outlet Aluminized - 2.5 inch Inlet/Outlet Size

Flowmaster 942542 - Center Inlet / Offset Outlet Aluminized - 2.5 inch Inlet/Outlet Size

50 Series Delta Flow – Three Chamber Mufflers

If you’re looking for something with all the performance of a Flowmaster muffler, but without the increased sound, the 50 Series Delta Flow is the muffler for you. It reduces interior resonance as well as the exterior tone, and it comes with a smaller case size. Meanwhile, it still gives you a major boost in horsepower and torque. Available in aluminized steel or 409S stainless. 4” thick x 9.5” wide x 17” long with inlet/outlet sizes from 2” up to 3”.

Flowmaster 942453 - Offset Inlet / Opposite Side Offset Outlet Aluminized - 2.25 inch Inlet/Outlet Size

Flowmaster 942551 - Offset Inlet / Center Outlet Aluminized - 2.5 inch Inlet/Outlet Size

Flowmaster 942553 - Offset Inlet / Opposite Side Offset Outlet Aluminized - 2.5 inch Inlet/Outlet Size