Flowmaster American Thunder Crossmbr-Back For Chevy Nova 68-74 (817158)

The Flowmaster American Thunder Crossmember-Back Exhaust System is a high-performance dual exhaust upgrade designed for classic Chevrolet Novas from 1968 to 1974. Constructed from 16-gauge, mandrel-bent stainless steel tubing with a 2.50-inch diameter, it features a built-in H-pipe crossover and Super 44 Series performance mufflers to deliver a moderate to aggressive exhaust tone. This system enhances throttle response, power, and fuel efficiency while providing a durable, quality build covered by a Lifetime Limited Warranty. Its design ensures an easy fit with all necessary hangers and hardware included, making it a reliable upgrade for enthusiasts seeking a bold sound and improved performance.

Designed specifically for 1968–1974 Chevrolet Novas, this crossmember-back exhaust system exits at the factory location behind the rear wheels, maintaining original fitment and appearance. It is ideal for street-driven vehicles and performance enthusiasts who want their exhaust note to be heard without sacrificing daily drivability. The bolt-on installation is straightforward, serving as a direct replacement for the stock system. This exhaust setup is perfect for those looking to enhance their vehicle’s sound and performance with a durable, high-quality system that complements the classic Nova’s style and character.