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. It's a true-dual exhaust system featuring all mandrel-bent 3.00-inch aluminized 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 aluminized steel and includes all necessary hardware and hangers for installation and is covered by our 3-year Limited Warranty. This system is also available in Stainless steel and comes with a Lifetime Limited Warranty, check out part# 817200.
- Super 40 Series Performance Mufflers for Deep Powerful Sound
- H-pipe Crossover for Maximum Power and Deep Tone
- Mandrel-bent 16-gauge Aluminized Steel Tubing
- Includes Hangers and Hardware for Installation
- Crossmember-Back True Dual Exhaust System
- Does Not Include Header Reducers or Factory Manifold Downpipes
- Aggressive Exterior Exhaust Tone
- Large Dual 3.00-inch Tubing
- 3-year Limited Warranty
Flowmaster American Thunder Crossmember-Back Exhaust System Fits 1968-1972 GM A-Body, 3.00 Inch Aluminized Steel - Flowmaster 17200
Specifications:
| Country of Origin | USA |
| Sold As | Kit |
| UPC | 700042020935 |
| Availability | Available |
| Exhaust Type | Crossmember Back |
| Exit Style | Dual Out Rear |
| Shape | Oval |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1968 | Chevrolet | Chevelle | 300 | |
| 1968 | Pontiac | LeMans | ||
| 1969 | Pontiac | LeMans | ||
| 1970 | Pontiac | LeMans | ||
| 1971 | Pontiac | LeMans | ||
| 1972 | Pontiac | LeMans | ||
| 1968 | Chevrolet | Chevelle | Malibu | |
| 1969 | Chevrolet | Chevelle | Malibu | |
| 1970 | Chevrolet | Chevelle | Malibu | |
| 1971 | Chevrolet | Chevelle | Malibu | |
| 1972 | Chevrolet | Chevelle | Malibu | |
| 1968 | Chevrolet | El Camino | Custom | |
| 1969 | Chevrolet | El Camino | Custom | |
| 1970 | Chevrolet | El Camino | Custom | |
| 1971 | Chevrolet | El Camino | Custom | |
| 1972 | Chevrolet | El Camino | Custom | |
| 1968 | Buick | Skylark | Custom | |
| 1969 | Buick | Skylark | Custom | |
| 1970 | Buick | Skylark | Custom | |
| 1971 | Buick | Skylark | Custom | |
| 1972 | Buick | Skylark | Custom | |
| 1968 | Pontiac | Tempest | Custom | |
| 1969 | Pontiac | Tempest | Custom | |
| 1968 | Buick | Sportwagon | Custom | |
| 1969 | Buick | Sportwagon | Custom | |
| 1968 | Chevrolet | Chevelle | Nomad | |
| 1969 | Chevrolet | Chevelle | Nomad | |
| 1970 | Chevrolet | Chevelle | Nomad | |
| 1971 | Chevrolet | Chevelle | Nomad | |
| 1972 | Chevrolet | Chevelle | Nomad | |
| 1968 | Chevrolet | Chevelle | Concours | |
| 1969 | Chevrolet | Chevelle | Concours | |
| 1970 | Chevrolet | Chevelle | Concours | |
| 1971 | Chevrolet | Chevelle | Concours | |
| 1972 | Chevrolet | Chevelle | Concours | |
| 1968 | Chevrolet | Chevelle | 300 Deluxe | |
| 1969 | Chevrolet | Chevelle | 300 Deluxe | |
| 1968 | Oldsmobile | Cutlass | S | |
| 1968 | Pontiac | Tempest | Safari | |
| 1969 | Pontiac | Tempest | Safari | |
| 1968 | Oldsmobile | Cutlass | ||
| 1969 | Oldsmobile | Cutlass | ||
| 1970 | Oldsmobile | Cutlass | ||
| 1971 | Oldsmobile | Cutlass | ||
| 1972 | Oldsmobile | Cutlass | ||
| 1968 | Oldsmobile | Cutlass Supreme | ||
| 1969 | Oldsmobile | Cutlass Supreme | ||
| 1970 | Oldsmobile | Cutlass Supreme | ||
| 1971 | Oldsmobile | Cutlass Supreme | ||
| 1972 | Oldsmobile | Cutlass Supreme | ||
| 1968 | Buick | Sportwagon | ||
| 1969 | Buick | Sportwagon | ||
| 1970 | Buick | Sportwagon | ||
| 1971 | Buick | Sportwagon | ||
| 1972 | Buick | Sportwagon | ||
| 1968 | Buick | GS 350 | ||
| 1969 | Buick | GS 350 | ||
| 1968 | Pontiac | GTO | ||
| 1969 | Pontiac | GTO | ||
| 1970 | Pontiac | GTO | ||
| 1971 | Pontiac | GTO | ||
| 1972 | Pontiac | GTO | ||
| 1968 | Oldsmobile | 442 | ||
| 1969 | Oldsmobile | 442 | ||
| 1970 | Oldsmobile | 442 | ||
| 1971 | Oldsmobile | 442 | ||
| 1968 | Chevrolet | Chevelle | ||
| 1968 | Pontiac | Grand Prix | ||
| 1969 | Pontiac | Grand Prix | ||
| 1970 | Pontiac | Grand Prix | ||
| 1971 | Pontiac | Grand Prix | ||
| 1972 | Pontiac | Grand Prix | ||
| 1968 | Oldsmobile | Vista Cruiser | ||
| 1969 | Oldsmobile | Vista Cruiser | ||
| 1970 | Oldsmobile | Vista Cruiser | ||
| 1971 | Oldsmobile | Vista Cruiser | ||
| 1972 | Oldsmobile | Vista Cruiser | ||
| 1968 | Chevrolet | Chevelle | SS | |
| 1969 | Chevrolet | Chevelle | SS | |
| 1970 | Chevrolet | Chevelle | SS | |
| 1971 | Chevrolet | Chevelle | SS | |
| 1972 | Chevrolet | Chevelle | SS | |
| 1968 | Pontiac | Tempest | ||
| 1969 | Pontiac | Tempest | ||
| 1970 | Pontiac | Tempest | ||
| 1968 | Buick | Special | ||
| 1969 | Buick | Special | ||
| 1968 | Buick | GS 400 | ||
| 1969 | Buick | GS 400 | ||
| 1968 | Chevrolet | El Camino | SS | |
| 1969 | Chevrolet | El Camino | SS | |
| 1970 | Chevrolet | El Camino | SS | |
| 1971 | Chevrolet | El Camino | SS | |
| 1972 | Chevrolet | El Camino | SS | |
| 1968 | Oldsmobile | F85 | ||
| 1969 | Oldsmobile | F85 | ||
| 1970 | Oldsmobile | F85 | ||
| 1971 | Oldsmobile | F85 | ||
| 1972 | Oldsmobile | F85 | ||
| 1968 | Chevrolet | El Camino | ||
| 1969 | Chevrolet | El Camino | ||
| 1970 | Chevrolet | El Camino | ||
| 1971 | Chevrolet | El Camino | ||
| 1972 | Chevrolet | El Camino | ||
| 1968 | Buick | Skylark | ||
| 1969 | Buick | Skylark | ||
| 1970 | Buick | Skylark | ||
| 1971 | Buick | Skylark | ||
| 1972 | Buick | Skylark | ||
| 1969 | Chevrolet | Chevelle | Greenbrier | |
| 1970 | Chevrolet | Chevelle | Greenbrier | |
| 1971 | Chevrolet | Chevelle | Greenbrier | |
| 1972 | Chevrolet | Chevelle | Greenbrier | |
| 1969 | Chevrolet | Chevelle | Concours Estate | |
| 1970 | Chevrolet | Chevelle | Concours Estate | |
| 1971 | Chevrolet | Chevelle | Concours Estate | |
| 1972 | Chevrolet | Chevelle | Concours Estate | |
| 1969 | Pontiac | LeMans | Safari | |
| 1970 | Pontiac | LeMans | Safari | |
| 1970 | Pontiac | Tempest | GT | |
| 1970 | Pontiac | LeMans | Sport | |
| 1971 | Pontiac | LeMans | Sport | |
| 1972 | Pontiac | LeMans | Sport | |
| 1970 | Pontiac | GTO | The Judge | |
| 1971 | Pontiac | GTO | The Judge | |
| 1970 | Buick | GS 455 | GSX | |
| 1970 | Buick | GS | ||
| 1971 | Buick | GS | ||
| 1972 | Buick | GS | ||
| 1970 | Buick | GS 455 | ||
| 1971 | Buick | GS 455 | ||
| 1972 | Buick | GS 455 | ||
| 1970 | Chevrolet | Monte Carlo | ||
| 1971 | Chevrolet | Monte Carlo | ||
| 1972 | Chevrolet | Monte Carlo | ||
| 1970 | Chevrolet | Chevelle | ||
| 1971 | Chevrolet | Chevelle | ||
| 1972 | Chevrolet | Chevelle | ||
| 1970 | Buick | Skylark | 350 | |
| 1971 | Oldsmobile | Cutlass | S | |
| 1972 | Oldsmobile | Cutlass | S | |
| 1971 | Pontiac | LeMans | T37 | |
| 1971 | GMC | Sprint | ||
| 1972 | GMC | Sprint | ||
| 1972 | Pontiac | LeMans | Luxury | |
| 1972 | GMC | Sprint | Custom | |
| 1972 | Oldsmobile | Cutlass | Cruiser | |
| 1972 | Buick | Skylark | 350 |