Flowmaster 817200 American Thunder Header Back Exhaust System Flowmaster 817200
$1,549.89
This crossmember-back American Thunder system is custom designed for high horsepower and large cubic inch engines in 1968-1972 GM A-Bodies with a V8 engine. Its a true-dual exhaust system featuring...
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This crossmember-back American Thunder system is custom designed for high horsepower and large cubic inch engines in 1968-1972 GM A-Bodies with a V8 engine. Its a true-dual exhaust system featuring all mandrel-bent 3.00-inch stainless steel tubing with a built-in H-pipe crossover assembly flowing into a pair of large cased Super 40 Series performance mufflers for maximum power and a deep powerful aggressive exhaust note. The large 3.00-inch mandrel-bent tailpipes are custom bent to tuck up high above the rear end and exit with a slight turn down under the rear bumper. The system is constructed from 409 stainless steel for maximum durability, includes all necessary hardware and hangers for installation and is covered by our Lifetime Limited Warranty. This system is also available in Aluminized steel and comes with a 3-year Limited Warranty, check out part# 17200.
Specifications:
| Description_DES | American Thunder Header Back Exhaust System |
| Description_EXT | American Thunder Header Back Exhaust System; Dual; Dual Rear Exit; Incl. 3.0 in. Tubing From Trans X-Member Back/H-Pipe/Hardware/Super 40 Series™ Mufflers; 409 Stainless Steel; |
| Description_FAB | Mandrel Bent 16ga 409 Stainless Tubing |
| Description_FAB | Limited Lifetime Warranty |
| Description_FAB | Aggressive And Powerful Exterior Exhaust Tone |
| Description_FAB | Incl. Hangers and Hardware For Easy Installation |
| Description_FAB | Header Back System |
| Description_FAB | Dual Out Rear Exit |
| Description_FAB | Dyno Tuned for Maximum Performance |
| Description_FAB | Premium Flowmaster Quality |
| Description_MKT | This crossmember-back American Thunder system is custom designed for high horsepower and large cubic inch engines in 1968-1972 GM A-Bodies with a V8 engine. Its a true-dual exhaust system featuring all mandrel-bent 3.00-inch stainless steel tubing with a built-in H-pipe crossover assembly flowing into a pair of large cased Super 40 Series performance mufflers for maximum power and a deep powerful aggressive exhaust note. The large 3.00-inch mandrel-bent tailpipes are custom bent to tuck up high above the rear end and exit with a slight turn down under the rear bumper. The system is constructed from 409 stainless steel for maximum durability, includes all necessary hardware and hangers for installation and is covered by our Lifetime Limited Warranty. This system is also available in Aluminized steel and comes with a 3-year Limited Warranty, check out part# 17200. |
| Description_SHO | Exhaust System Kit |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1969 | Buick | Skylark | ||
| 1970 | Buick | Skylark | ||
| 1968 | Chevrolet | Chevelle | SS | |
| 1969 | Chevrolet | Chevelle | SS | |
| 1970 | Chevrolet | Chevelle | SS | |
| 1969 | Oldsmobile | 442 | ||
| 1970 | Oldsmobile | 442 | ||
| 1971 | Oldsmobile | 442 | ||
| 1969 | Oldsmobile | Cutlass | ||
| 1970 | Oldsmobile | Cutlass | ||
| 1970 | Pontiac | Grand Prix | ||
| 1971 | Pontiac | Grand Prix | ||
| 1972 | Pontiac | Grand Prix | ||
| 1968 | Pontiac | GTO | ||
| 1969 | Pontiac | GTO | ||
| 1970 | Pontiac | GTO |
Shipping Information
We offer FREE shipping on all orders within Canada. Most orders ship within 1-2 business days.
Standard delivery typically takes 3-7 business days depending on your location.
Returns Policy
We accept returns within 30 days of purchase. Items must be in original condition with all packaging.
For returns or exchanges, please contact our customer service team.

