The Flowmaster Super 40 Series Muffler is the most aggressive street muffler Flowmaster offers. It has the deepest tone while retaining the classic two chamber race design.
The Super 40 5X10 inch case design, modeled after Flowmaster's Top Ten race mufflers, gives you a deeper tone that retains Flowmaster's 40 Series sound and feel. Flowmaster's Super 40 is the most aggressive, deepest sounding street 2-chamber muffler.
- The body measures 13" long, 10" wide and 5" thick