The super 40 muffler was developed from our top ten race muffler lineup for use on the street and strip. Utilizing Delta Flow technology, this muffler gives the best performance to higher Horsepower vehicles. The super 40 features a black, 5 Inch X 10 Inch aluminized case, which keeps the resonance down while the deep outside tone says it’s a Flowmaster!.
Deep Aggressive To Moderate Exhaust Note
Moderate Interior Resonance
Excellent Performance On High Horsepower Vehicles
Race Proven Delta Flow Technology
No Internal Packing To Blowout
Limited 3 Year Warranty