Press & drag to view
This American Thunder® Crossmember-Back exhaust system is custom designed for most 1964-1972 GM A-body cars and is for the person looking for a complete 2.50-inch dual exhaust system with a moderately aggressive exterior tone and a moderate interior sound. With easy fit in mind, these aluminized steel systems feature all mandrel-bent tubing, an H-pipe to equalize the exhaust pressures for maximum performance and deep sound and includes a pair of specially selected Super 40™ mufflers. The mandrel-bent 2.50-inch tailpipes tuck up out of the way for maximum clearance and offer you two choices of tailpipe exit styles. Like all Flowmaster® systems, benefits include improved throttle response, power, and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for an easy installation and is covered by our 3-year Limited Warranty.
Flowmaster American Thunder Crossmember-Back Exhaust System
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1965 | Buick | Gran Sport | Base | |
| 1966 | Buick | Gran Sport | Base | |
| 1967 | Buick | Gran Sport | Base | |
| 1967 | Buick | Gran Sport | Base | |
| 1970 | Buick | GS | Base | |
| 1971 | Buick | GS | Base | |
| 1972 | Buick | GS | Base | |
| 1968 | Buick | GS 350 | Base | |
| 1969 | Buick | GS 350 | Base | |
| 1968 | Buick | GS 400 | Base | |
| 1969 | Buick | GS 400 | Base | |
| 1970 | Buick | GS 455 | Base | |
| 1971 | Buick | GS 455 | Base | |
| 1972 | Buick | GS 455 | Base | |
| 1970 | Buick | GS 455 | GSX | |
| 1970,1972 | Buick | Skylark | 350 | |
| 1964 | Buick | Skylark | Base | |
| 1965 | Buick | Skylark | Base | |
| 1965 | Buick | Skylark | Base | |
| 1966 | Buick | Skylark | Base | |
| 1966 | Buick | Skylark | Base | |
| 1966 | Buick | Skylark | Base | |
| 1967 | Buick | Skylark | Base | |
| 1967 | Buick | Skylark | Base | |
| 1967 | Buick | Skylark | Base | |
| 1968 | Buick | Skylark | Base | |
| 1968 | Buick | Skylark | Base | |
| 1969 | Buick | Skylark | Base | |
| 1970 | Buick | Skylark | Base | |
| 1970 | Buick | Skylark | Base | |
| 1971 | Buick | Skylark | Base | |
| 1971 | Buick | Skylark | Base | |
| 1972 | Buick | Skylark | Base | |
| 1968 | Buick | Skylark | Custom | |
| 1968 | Buick | Skylark | Custom | |
| 1969 | Buick | Skylark | Custom | |
| 1970 | Buick | Skylark | Custom | |
| 1970 | Buick | Skylark | Custom | |
| 1971 | Buick | Skylark | Custom | |
| 1971 | Buick | Skylark | Custom | |
| 1972 | Buick | Skylark | Custom | |
| 1964 | Buick | Special | Base | |
| 1965 | Buick | Special | Base | |
| 1966 | Buick | Special | Base | |
| 1966 | Buick | Special | Base | |
| 1967 | Buick | Special | Base | |
| 1967 | Buick | Special | Base | |
| 1968 | Buick | Special | Base | |
| 1969 | Buick | Special | Base | |
| 1964 | Buick | Special | Deluxe | |
| 1965 | Buick | Special | Deluxe | |
| 1966 | Buick | Special | Deluxe | |
| 1967 | Buick | Special | Deluxe | |
| 1964 | Buick | Sportwagon | Base | |
| 1965 | Buick | Sportwagon | Base | |
| 1966 | Buick | Sportwagon | Base | |
| 1967 | Buick | Sportwagon | Base | |
| 1968 | Buick | Sportwagon | Base | |
| 1968 | Buick | Sportwagon | Base | |
| 1969 | Buick | Sportwagon | Base | |
| 1969 | Buick | Sportwagon | Base | |
| 1970 | Buick | Sportwagon | Base | |
| 1970 | Buick | Sportwagon | Base | |
| 1971 | Buick | Sportwagon | Base | |
| 1972 | Buick | Sportwagon | Base | |
| 1966 | Buick | Sportwagon | Custom | |
| 1968 | Buick | Sportwagon | Custom | |
| 1968 | Buick | Sportwagon | Custom | |
| 1969 | Buick | Sportwagon | Custom | |
| 1967 | Chevrolet | Chevelle | 300 | |
| 1967 | Chevrolet | Chevelle | 300 | |
| 1968 | Chevrolet | Chevelle | 300 | |
| 1968 | Chevrolet | Chevelle | 300 | |
| 1967 | Chevrolet | Chevelle | 300 Deluxe | |
| 1967 | Chevrolet | Chevelle | 300 Deluxe | |
| 1968 | Chevrolet | Chevelle | 300 Deluxe | |
| 1968 | Chevrolet | Chevelle | 300 Deluxe | |
| 1969 | Chevrolet | Chevelle | 300 Deluxe | |
| 1969 | Chevrolet | Chevelle | 300 Deluxe | |
| 1969 | Chevrolet | Chevelle | 300 Deluxe | |
| 1967 | Chevrolet | Chevelle | Base | |
| 1967 | Chevrolet | Chevelle | Base | |
| 1968,1970 | Chevrolet | Chevelle | Base | |
| 1970 | Chevrolet | Chevelle | Base | |
| 1970 | Chevrolet | Chevelle | Base | |
| 1970 | Chevrolet | Chevelle | Base | |
| 1971 | Chevrolet | Chevelle | Base | |
| 1971 | Chevrolet | Chevelle | Base | |
| 1971 | Chevrolet | Chevelle | Base | |
| 1971 | Chevrolet | Chevelle | Base | |
| 1972 | Chevrolet | Chevelle | Base | |
| 1972 | Chevrolet | Chevelle | Base | |
| 1972 | Chevrolet | Chevelle | Base | |
| 1972 | Chevrolet | Chevelle | Base | |
| 1967 | Chevrolet | Chevelle | Concours | |
| 1968 | Chevrolet | Chevelle | Concours | |
| 1968 | Chevrolet | Chevelle | Concours | |
| 1969 | Chevrolet | Chevelle | Concours | |
| 1969 | Chevrolet | Chevelle | Concours | |
| 1969 | Chevrolet | Chevelle | Concours | |
| 1970 | Chevrolet | Chevelle | Concours | |
| 1970 | Chevrolet | Chevelle | Concours | |
| 1970 | Chevrolet | Chevelle | Concours | |
| 1970 | Chevrolet | Chevelle | Concours | |
| 1971 | Chevrolet | Chevelle | Concours | |
| 1971 | Chevrolet | Chevelle | Concours | |
| 1971 | Chevrolet | Chevelle | Concours | |
| 1971 | Chevrolet | Chevelle | Concours | |
| 1972 | Chevrolet | Chevelle | Concours | |
| 1972 | Chevrolet | Chevelle | Concours | |
| 1972 | Chevrolet | Chevelle | Concours | |
| 1972 | Chevrolet | Chevelle | Concours | |
| 1969 | Chevrolet | Chevelle | Concours Estate | |
| 1969 | Chevrolet | Chevelle | Concours Estate | |
| 1969 | Chevrolet | Chevelle | Concours Estate | |
| 1970 | Chevrolet | Chevelle | Concours Estate | |
| 1970 | Chevrolet | Chevelle | Concours Estate | |
| 1970 | Chevrolet | Chevelle | Concours Estate | |
| 1970 | Chevrolet | Chevelle | Concours Estate | |
| 1971 | Chevrolet | Chevelle | Concours Estate | |
| 1971 | Chevrolet | Chevelle | Concours Estate | |
| 1971 | Chevrolet | Chevelle | Concours Estate | |
| 1971 | Chevrolet | Chevelle | Concours Estate | |
| 1972 | Chevrolet | Chevelle | Concours Estate | |
| 1972 | Chevrolet | Chevelle | Concours Estate | |
| 1972 | Chevrolet | Chevelle | Concours Estate | |
| 1972 | Chevrolet | Chevelle | Concours Estate | |
| 1967 | Chevrolet | Chevelle | Deluxe | |
| 1969 | Chevrolet | Chevelle | Greenbrier | |
| 1969 | Chevrolet | Chevelle | Greenbrier | |
| 1969 | Chevrolet | Chevelle | Greenbrier | |
| 1970 | Chevrolet | Chevelle | Greenbrier | |
| 1970 | Chevrolet | Chevelle | Greenbrier | |
| 1970 | Chevrolet | Chevelle | Greenbrier | |
| 1970 | Chevrolet | Chevelle | Greenbrier | |
| 1971 | Chevrolet | Chevelle | Greenbrier | |
| 1971 | Chevrolet | Chevelle | Greenbrier | |
| 1971 | Chevrolet | Chevelle | Greenbrier | |
| 1971 | Chevrolet | Chevelle | Greenbrier | |
| 1972 | Chevrolet | Chevelle | Greenbrier | |
| 1972 | Chevrolet | Chevelle | Greenbrier | |
| 1972 | Chevrolet | Chevelle | Greenbrier | |
| 1972 | Chevrolet | Chevelle | Greenbrier | |
| 1968 | Chevrolet | Chevelle | Malibu | |
| 1968 | Chevrolet | Chevelle | Malibu | |
| 1969 | Chevrolet | Chevelle | Malibu | |
| 1969 | Chevrolet | Chevelle | Malibu | |
| 1969 | Chevrolet | Chevelle | Malibu | |
| 1970 | Chevrolet | Chevelle | Malibu | |
| 1970 | Chevrolet | Chevelle | Malibu | |
| 1970 | Chevrolet | Chevelle | Malibu | |
| 1970 | Chevrolet | Chevelle | Malibu | |
| 1970 | Chevrolet | Chevelle | Malibu | |
| 1971 | Chevrolet | Chevelle | Malibu | |
| 1971 | Chevrolet | Chevelle | Malibu | |
| 1971 | Chevrolet | Chevelle | Malibu | |
| 1971 | Chevrolet | Chevelle | Malibu | |
| 1972 | Chevrolet | Chevelle | Malibu | |
| 1972 | Chevrolet | Chevelle | Malibu | |
| 1972 | Chevrolet | Chevelle | Malibu | |
| 1972 | Chevrolet | Chevelle | Malibu | |
| 1968 | Chevrolet | Chevelle | Nomad | |
| 1968 | Chevrolet | Chevelle | Nomad | |
| 1969 | Chevrolet | Chevelle | Nomad | |
| 1969 | Chevrolet | Chevelle | Nomad | |
| 1969 | Chevrolet | Chevelle | Nomad | |
| 1970 | Chevrolet | Chevelle | Nomad | |
| 1970 | Chevrolet | Chevelle | Nomad | |
| 1970 | Chevrolet | Chevelle | Nomad | |
| 1970 | Chevrolet | Chevelle | Nomad | |
| 1971 | Chevrolet | Chevelle | Nomad | |
| 1971 | Chevrolet | Chevelle | Nomad | |
| 1971 | Chevrolet | Chevelle | Nomad | |
| 1971 | Chevrolet | Chevelle | Nomad | |
| 1972 | Chevrolet | Chevelle | Nomad | |
| 1972 | Chevrolet | Chevelle | Nomad | |
| 1972 | Chevrolet | Chevelle | Nomad | |
| 1972 | Chevrolet | Chevelle | Nomad | |
| 1964 | Chevrolet | Chevelle | SS | |
| 1964 | Chevrolet | Chevelle | SS | |
| 1965 | Chevrolet | Chevelle | SS | |
| 1965 | Chevrolet | Chevelle | SS | |
| 1965 | Chevrolet | Chevelle | SS | |
| 1966 | Chevrolet | Chevelle | SS | |
| 1966 | Chevrolet | Chevelle | SS | |
| 1966 | Chevrolet | Chevelle | SS | |
| 1967 | Chevrolet | Chevelle | SS | |
| 1968 | Chevrolet | Chevelle | SS | |
| 1969 | Chevrolet | Chevelle | SS | |
| 1969 | Chevrolet | Chevelle | SS | |
| 1970 | Chevrolet | Chevelle | SS | |
| 1970 | Chevrolet | Chevelle | SS | |
| 1970 | Chevrolet | Chevelle | SS | |
| 1970 | Chevrolet | Chevelle | SS | |
| 1971 | Chevrolet | Chevelle | SS | |
| 1971 | Chevrolet | Chevelle | SS | |
| 1971 | Chevrolet | Chevelle | SS | |
| 1971 | Chevrolet | Chevelle | SS | |
| 1972 | Chevrolet | Chevelle | SS | |
| 1972 | Chevrolet | Chevelle | SS | |
| 1972 | Chevrolet | Chevelle | SS | |
| 1967 | Chevrolet | Malibu | Base | |
| 1967 | Chevrolet | Malibu | Base | |
| 1970 | Chevrolet | Monte Carlo | Base | |
| 1970 | Chevrolet | Monte Carlo | Base | |
| 1970 | Chevrolet | Monte Carlo | Base | |
| 1971 | Chevrolet | Monte Carlo | Base | |
| 1971 | Chevrolet | Monte Carlo | Base | |
| 1971 | Chevrolet | Monte Carlo | Base | |
| 1972 | Chevrolet | Monte Carlo | Base | |
| 1972 | Chevrolet | Monte Carlo | Base | |
| 1972 | Chevrolet | Monte Carlo | Base | |
| 1964 | Oldsmobile | 442 | Base | |
| 1965 | Oldsmobile | 442 | Base | |
| 1966 | Oldsmobile | 442 | Base | |
| 1967 | Oldsmobile | 442 | Base | |
| 1968 | Oldsmobile | 442 | Base | |
| 1968 | Oldsmobile | 442 | Base | |
| 1969 | Oldsmobile | 442 | Base | |
| 1969 | Oldsmobile | 442 | Base | |
| 1970 | Oldsmobile | 442 | Base | |
| 1971 | Oldsmobile | 442 | Base | |
| 1964 | Oldsmobile | Cutlass | Base | |
| 1965 | Oldsmobile | Cutlass | Base | |
| 1965 | Oldsmobile | Cutlass | Base | |
| 1966 | Oldsmobile | Cutlass | Base | |
| 1966 | Oldsmobile | Cutlass | Base | |
| 1967 | Oldsmobile | Cutlass | Base | |
| 1967 | Oldsmobile | Cutlass | Base | |
| 1968 | Oldsmobile | Cutlass | Base | |
| 1968 | Oldsmobile | Cutlass | Base | |
| 1969 | Oldsmobile | Cutlass | Base | |
| 1970 | Oldsmobile | Cutlass | Base | |
| 1970 | Oldsmobile | Cutlass | Base | |
| 1971 | Oldsmobile | Cutlass | Base | |
| 1971 | Oldsmobile | Cutlass | Base | |
| 1972 | Oldsmobile | Cutlass | Base | |
| 1972 | Oldsmobile | Cutlass | Base | |
| 1972 | Oldsmobile | Cutlass | Cruiser | |
| 1972 | Oldsmobile | Cutlass | Cruiser | |
| 1964 | Oldsmobile | Cutlass | Holiday | |
| 1965 | Oldsmobile | Cutlass | Holiday | |
| 1965 | Oldsmobile | Cutlass | Holiday | |
| 1966 | Oldsmobile | Cutlass | Holiday | |
| 1966 | Oldsmobile | Cutlass | Holiday | |
| 1967 | Oldsmobile | Cutlass | Holiday | |
| 1967 | Oldsmobile | Cutlass | Holiday | |
| 1968,1971 | Oldsmobile | Cutlass | S | |
| 1971 | Oldsmobile | Cutlass | S | |
| 1972 | Oldsmobile | Cutlass | S | |
| 1972 | Oldsmobile | Cutlass | S | |
| 1967 | Oldsmobile | Cutlass | Turnpike Cruiser | |
| 1967 | Oldsmobile | Cutlass | Turnpike Cruiser | |
| 1967 | Oldsmobile | Cutlass Supreme | Base | |
| 1968 | Oldsmobile | Cutlass Supreme | Base | |
| 1969 | Oldsmobile | Cutlass Supreme | Base | |
| 1970 | Oldsmobile | Cutlass Supreme | Base | |
| 1971 | Oldsmobile | Cutlass Supreme | Base | |
| 1971 | Oldsmobile | Cutlass Supreme | Base | |
| 1972 | Oldsmobile | Cutlass Supreme | Base | |
| 1972 | Oldsmobile | Cutlass Supreme | Base | |
| 1964 | Oldsmobile | F85 | Base | |
| 1965 | Oldsmobile | F85 | Base | |
| 1965 | Oldsmobile | F85 | Base | |
| 1966 | Oldsmobile | F85 | Base | |
| 1966 | Oldsmobile | F85 | Base | |
| 1967 | Oldsmobile | F85 | Base | |
| 1968 | Oldsmobile | F85 | Base | |
| 1969 | Oldsmobile | F85 | Base | |
| 1970 | Oldsmobile | F85 | Base | |
| 1970 | Oldsmobile | F85 | Base | |
| 1971 | Oldsmobile | F85 | Base | |
| 1972 | Oldsmobile | F85 | Base | |
| 1972 | Oldsmobile | F85 | Base | |
| 1964 | Oldsmobile | F85 | Deluxe | |
| 1965 | Oldsmobile | F85 | Deluxe | |
| 1966 | Oldsmobile | F85 | Deluxe | |
| 1966 | Oldsmobile | F85 | Holiday | |
| 1966 | Oldsmobile | F85 | Holiday | |
| 1964 | Oldsmobile | Vista Cruiser | Base | |
| 1965 | Oldsmobile | Vista Cruiser | Base | |
| 1966 | Oldsmobile | Vista Cruiser | Base | |
| 1967 | Oldsmobile | Vista Cruiser | Base | |
| 1968 | Oldsmobile | Vista Cruiser | Base | |
| 1968 | Oldsmobile | Vista Cruiser | Base | |
| 1969 | Oldsmobile | Vista Cruiser | Base | |
| 1969 | Oldsmobile | Vista Cruiser | Base | |
| 1970 | Oldsmobile | Vista Cruiser | Base | |
| 1970 | Oldsmobile | Vista Cruiser | Base | |
| 1971 | Oldsmobile | Vista Cruiser | Base | |
| 1971 | Oldsmobile | Vista Cruiser | Base | |
| 1972 | Oldsmobile | Vista Cruiser | Base | |
| 1972 | Oldsmobile | Vista Cruiser | Base | |
| 1964 | Oldsmobile | Vista Cruiser | Custom | |
| 1965 | Oldsmobile | Vista Cruiser | Custom | |
| 1966 | Oldsmobile | Vista Cruiser | Custom | |
| 1967 | Oldsmobile | Vista Cruiser | Custom | |
| 1964 | Pontiac | Grand Prix | Base | |
| 1964 | Pontiac | Grand Prix | Base | |
| 1965 | Pontiac | Grand Prix | Base | |
| 1965 | Pontiac | Grand Prix | Base | |
| 1966 | Pontiac | Grand Prix | Base | |
| 1966 | Pontiac | Grand Prix | Base | |
| 1964 | Pontiac | GTO | Base | |
| 1965 | Pontiac | GTO | Base | |
| 1966 | Pontiac | GTO | Base | |
| 1967 | Pontiac | GTO | Base | |
| 1968 | Pontiac | GTO | Base | |
| 1969 | Pontiac | GTO | Base | |
| 1970 | Pontiac | GTO | Base | |
| 1970 | Pontiac | GTO | Base | |
| 1971 | Pontiac | GTO | Base | |
| 1971 | Pontiac | GTO | Base | |
| 1972 | Pontiac | GTO | Base | |
| 1972 | Pontiac | GTO | Base | |
| 1970 | Pontiac | GTO | The Judge | |
| 1970 | Pontiac | GTO | The Judge | |
| 1971 | Pontiac | GTO | The Judge | |
| 1964 | Pontiac | LeMans | Base | |
| 1965 | Pontiac | LeMans | Base | |
| 1966 | Pontiac | LeMans | Base | |
| 1967 | Pontiac | LeMans | Base | |
| 1968 | Pontiac | LeMans | Base | |
| 1968 | Pontiac | LeMans | Base | |
| 1969 | Pontiac | LeMans | Base | |
| 1969 | Pontiac | LeMans | Base | |
| 1970 | Pontiac | LeMans | Base | |
| 1970 | Pontiac | LeMans | Base | |
| 1970 | Pontiac | LeMans | Base | |
| 1971 | Pontiac | LeMans | Base | |
| 1971 | Pontiac | LeMans | Base | |
| 1971 | Pontiac | LeMans | Base | |
| 1972 | Pontiac | LeMans | Base | |
| 1972 | Pontiac | LeMans | Base | |
| 1972 | Pontiac | LeMans | Base | |
| 1972 | Pontiac | LeMans | Luxury | |
| 1972 | Pontiac | LeMans | Luxury | |
| 1969 | Pontiac | LeMans | Safari | |
| 1969 | Pontiac | LeMans | Safari | |
| 1970 | Pontiac | LeMans | Safari | |
| 1970 | Pontiac | LeMans | Safari | |
| 1970 | Pontiac | LeMans | Safari | |
| 1970 | Pontiac | LeMans | Sport | |
| 1970 | Pontiac | LeMans | Sport | |
| 1970 | Pontiac | LeMans | Sport | |
| 1971 | Pontiac | LeMans | Sport | |
| 1971 | Pontiac | LeMans | Sport | |
| 1971 | Pontiac | LeMans | Sport | |
| 1972 | Pontiac | LeMans | Sport | |
| 1971 | Pontiac | LeMans | T37 | |
| 1971 | Pontiac | LeMans | T37 | |
| 1971 | Pontiac | LeMans | T37 | |
| 1964 | Pontiac | Tempest | Base | |
| 1965 | Pontiac | Tempest | Base | |
| 1966 | Pontiac | Tempest | Base | |
| 1967 | Pontiac | Tempest | Base | |
| 1968 | Pontiac | Tempest | Base | |
| 1968 | Pontiac | Tempest | Base | |
| 1969 | Pontiac | Tempest | Base | |
| 1969 | Pontiac | Tempest | Base | |
| 1970 | Pontiac | Tempest | Base | |
| 1970 | Pontiac | Tempest | Base | |
| 1968 | Pontiac | Tempest | Custom | |
| 1968 | Pontiac | Tempest | Custom | |
| 1969 | Pontiac | Tempest | Custom | |
| 1969 | Pontiac | Tempest | Custom | |
| 1970 | Pontiac | Tempest | GT | |
| 1970 | Pontiac | Tempest | GT | |
| 1964 | Pontiac | Tempest | Safari | |
| 1965 | Pontiac | Tempest | Safari | |
| 1966 | Pontiac | Tempest | Safari | |
| 1967 | Pontiac | Tempest | Safari | |
| 1968 | Pontiac | Tempest | Safari | |
| 1968 | Pontiac | Tempest | Safari | |
| 1969 | Pontiac | Tempest | Safari | |
| 1969 | Pontiac | Tempest | Safari |
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