Welcome to Classic Industries®  v6.1

America's First Choice In Restoration
and Performance Parts and Accessories
Up to 35% OFF* Online Orders Over $149!
Flowmaster 13-1/2 Super 40 American Thunder Muffler 2-1/2 Offset Inlet / 2-1/2 Same Offset Outlet

+ Click to Expand

F952549 - Flowmaster 13-1/2" Super 40 American Thunder Muffler 2-1/2" Offset Inlet / 2-1/2" Same Offset Outlet

The Super 40 5" X 10" case design gives you a deeper tone that retains our classic 40 Series sound and feel.

Increased flow path radius for optimum internal flow using the latest in Delta Flow technology. Flowmaster state-of-the-art robot ass embly technology assures a product that exceeds OEM auto manufacturers' specifications. To achieve such critical quality, Flowmaster performs extensive R&D at the track and in-house with our own engine and chassis dyno facilities.

Flowmaster Sup er 40 is aluminized, black in color and is …

+ Learn More

Product #: F952549

In Stock Now!

MSRP: $109.99 ea
Classic: $99.99 ea


WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov


Classic Industrie Visa Condon Skelly Collector Car Insurance