Born from our Top Ten race muffler lineup, the Flowmaster Super 40 is built for street and strip performance. Engineered with Delta Flow Technology, it delivers powerful performance gains …

Shop Flowmaster Super 40 Series Muffler at Holley.com. Free shipping on orders $149+ and world-class support for every build.

These Super 40 Flowmaster mufflers significantly outflow the older two-chamber mufflers. They help create even more horsepower with less interior noise and a deeper exterior sound. These …

Description The Flowmaster 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 …

Flowmaster offers various Super 40 Series Delta Flow Muffler configurations to fit most applications. Mufflers are available with 2.5 to 3.5-inch inlet and outlet pipes in center, dual, …

Super 40 Series Flowmaster Mufflers deliver a deeper, richer tone than the original 40 series. The choice of performance street machine/rod builders.

Feb 6, 2025 · Both the Flowmaster Super 40 and Super 44 mufflers are designed for maximum performance and aggressive sound, but there are key differences that set them apart.

The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow&reg technology.

Aug 12, 2006 · Buy Flowmaster 953045 Super 40 Series Chambered Muffler: Mufflers - Amazon.com FREE DELIVERY possible on eligible purchases

Flowmaster Super 40 Series Mufflers feature a 2-chamber design while offering a deeper, richer tone & feel than the original 40 series. The Super 40 is the most aggressive, deepest sounding …