Flowmaster American Thunder Dual Exhaust System - 1967-68 Camaro/Firebird V8 20601Z Breathers come with rubber grommets

Breathers come with rubber grommets and match our chrome and black valve covers

25-inch (rear) DOM steel tubing

GM Gen I Small Block V8 Split Rear Main Seal

2 & 4 wheel drives and all wheelbases

Flowmaster American Thunder Dual Exhaust System - 1967-68 Camaro/Firebird V8 20601Z Breathers come with rubber grommetsFor 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