American Thunder Header Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing/Super 40 Series™ Mufflers/H-Pipe/Hardware; 409 Stainless Steel;
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.
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 16ga 409S Stainless Tubing
- Limited Lifetime Warranty
- Aggressive And Powerful Exterior Exhaust Tone
- Incl. Hangers and Hardware For Easy Installation
- Header Back System
- Dual Out Rear Exit
- Dyno Tuned for Maximum Performance
- Premium Flowmaster Quality
Application Summary:
| Year | Make/Model |
|---|---|
| 1970-1972 | Buick GS |
| 1968-1969 | Buick GS 350 |
| 1968-1969 | Buick GS 400 |
| 1970-1972 | Buick GS 455 |
| 1968-1972 | Buick Skylark |
| 1968-1969 | Buick Special |
| 1968-1972 | Chevrolet Chevelle |
| 1968-1971 | Oldsmobile 442 |
| 1968-1972 | Oldsmobile F85 |
| 1968-1972 | Oldsmobile Vista Cruiser |
| 1968-1972 | Pontiac Grand Prix |
| 1968-1972 | Pontiac GTO |
| 1968-1973 | Pontiac LeMans |
| 1968-1970 | Pontiac Tempest |