For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge mandrel-bent stainless steel tubing with a built-in H-pipe crossover, a pair of specially selected Super 44 Series mufflers and includes all hangers and hardware necessary for installation. The American Thunder systems deliver a moderate to aggressive interior and exterior tone and are best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. If you prefer Aluminized steel construction, check out optional system# 17129.
This system Does Not fit convertibles without either modifying the factory X-brace by adding 3/8-inch spacers to lower the brace from the body.
Fits 1967-1968 Camaro and Firebird with V8 engine. 2.50 inch Stainless Steel - Aggressive to moderate sound
Flowmaster 67-68 GM F-BODY 2.5in. SS American Thunder Crossmember-Back Exhaust System
Flowmaster American Thunder Crossmember-Back Exhaust System
Includes Hangers and Hardware for an Easy Installation
True Dual 2.50-inch Crossmember-Back Exhaust System
Mandrel-bent 16-gauge Stainless Steel Tubing
Aggressive to Moderate Exterior Exhaust Tone
Super 44 Series Performance Mufflers
Tailpipes Exit in the Stock Location
Includes All Necessary Hardware
6768 GM FBODY 25 AMT KIT 409S
Built-in H-pipe Cross-over
SYS 67-68 GM F-BODY
SYS 67-68 GM