Flowmaster American Thunder Dual Exhaust System - 1970-74 Camaro/Firebird V8 Baer Disc Brakes Maxflow 5 Closed Box

Maxflow 5 Closed Box

Machined Billet Aluminum

Engineered for use with variable volume pumps tied to engine RPM

TIG welded for added strength by certified welders

75:1 gear reduction is ideal for engines with up to 11:1 compression ratio

Flowmaster American Thunder Dual Exhaust System - 1970-74 Camaro/Firebird V8 Baer Disc Brakes Maxflow 5 Closed BoxFor the person who is looking for a complete Header back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle