Flowmaster 817409 American Thunder Exhaust Kit, 1968-72 GM A-Body
GS, GS 350, GS 400, GS 455, Skylark, Chevelle, 442, Cutlass, Grand Prix, GTO, LeMans
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For 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 response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
- Mandrel bent 16 gauge stainless steel tubing
- Aggressive Sound Exterior Exhaust Tone
- Includes hangers and hardware for easy installation
- Header-back System
Application1968-1969 Buick GS 350
1968-1969 Buick GS 400
1968-1971 Oldsmobile 442
1970-1972 Buick GS 455
1970-1972 Buick GS
1968-1972 Buick Skylark
1968-1972 Chevrolet Chevelle
1968-1972 Oldsmobile Cutlass
1968-1972 Pontiac Grand Prix
1968-1972 Pontiac GTO
1968-1972 Pontiac LeMans
NotesFits 1968 to 1972 GM A-Body with a V-8 engine.
NotesDue to variations in different manufacturers headers, modifications to the length and or angles of the intermediate pipes may be required when connecting to the header collectors.
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