Flowmaster American Thunder Dual Exhaust System - 1969 Camaro/Firebird V8 Steel Tubing Prevent accidental reverse polarity

Prevent accidental reverse polarity

Multi-Layered

adapt 4150 to 4500

Intake Valve: 2

Tired of excessive heat when running your Pioneer 700 or 700-4

Flowmaster American Thunder Dual Exhaust System - 1969 Camaro/Firebird V8 Steel Tubing Prevent accidental reverse polarityFor 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