Flowmaster American Thunder Dual Exhaust System - 1970-74 Camaro/Firebird V8 H775C15XS All CSR spacers are machined

All CSR spacers are machined for o-rings on both sides

machined to ultra-high tolerances and fully rebuildable

2007-2018 Freightliner M2 106

Spare Parts Kit Contains:

Flowmaster American Thunder Dual Exhaust System - 1970-74 Camaro/Firebird V8 H775C15XS All CSR spacers are machinedFor 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