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.
Fits 1968-1972 GM A-Body, 3.00 inch Aluminized Steel –
Systems do not include header reducer cones or downpipes to connect to factory manifolds.
- Does Not Include Header Reducers or Factory Manifold Downpipes
- Super 40 Series Performance Mufflers for Deep Powerful Sound
- H-pipe Crossover for Maximum Power and Deep Tone
- Includes Hangers and Hardware for Installation
- Mandrel-bent 16-gauge Aluminized Steel Tubing
- Crossmember-Back True Dual Exhaust System
- Aggressive Exterior Exhaust Tone
- Large Dual 3.00-inch Tubing
- 3-year Limited Warranty
Fits
1968 Buick GS 350 Base
1968 Buick GS 400 Base
1968 Buick Skylark Base
1968 Buick Skylark Custom
1968 Buick Special Base
1968 Buick Sportwagon Base
1968 Buick Sportwagon Custom
1968 Chevrolet Chevelle 300
1968 Chevrolet Chevelle 300 Deluxe
1968 Chevrolet Chevelle Base
1968 Chevrolet Chevelle Concours
1968 Chevrolet Chevelle Malibu
1968 Chevrolet Chevelle Nomad
1968 Chevrolet Chevelle SS
1968 Chevrolet El Camino Base
1968 Chevrolet El Camino Custom
1968 Chevrolet El Camino SS
1968 Oldsmobile 442 Base
1968 Oldsmobile Cutlass Base
1968 Oldsmobile Cutlass S
1968 Oldsmobile Cutlass Supreme Base
1968 Oldsmobile F85 Base
1968 Oldsmobile Vista Cruiser Base
1968 Pontiac Grand Prix Base
1968 Pontiac GTO Base
1968 Pontiac LeMans Base
1968 Pontiac Tempest Base
1968 Pontiac Tempest Custom
1968 Pontiac Tempest Safari
1969 Buick GS 350 Base
1969 Buick GS 400 Base
1969 Buick Skylark Base
1969 Buick Skylark Custom
1969 Buick Special Base
1969 Buick Sportwagon Base
1969 Buick Sportwagon Custom
1969 Chevrolet Chevelle 300 Deluxe
1969 Chevrolet Chevelle Concours
1969 Chevrolet Chevelle Concours Estate
1969 Chevrolet Chevelle Greenbrier
1969 Chevrolet Chevelle Malibu
1969 Chevrolet Chevelle Nomad
1969 Chevrolet Chevelle SS
1969 Chevrolet El Camino Base
1969 Chevrolet El Camino Custom
1969 Chevrolet El Camino SS
1969 Oldsmobile 442 Base
1969 Oldsmobile Cutlass Base
1969 Oldsmobile Cutlass Supreme Base
1969 Oldsmobile F85 Base
1969 Oldsmobile Vista Cruiser Base
1969 Pontiac Grand Prix Base
1969 Pontiac GTO Base
1969 Pontiac LeMans Base
1969 Pontiac LeMans Safari
1969 Pontiac Tempest Base
1969 Pontiac Tempest Custom
1969 Pontiac Tempest Safari
1970 Buick GS Base
1970 Buick GS 455 Base
1970 Buick GS 455 GSX
1970 Buick Skylark 350
1970 Buick Skylark Base
1970 Buick Skylark Custom
1970 Chevrolet Chevelle Base
1970 Chevrolet Chevelle Concours
1970 Chevrolet Chevelle Concours Estate
1970 Chevrolet Chevelle Greenbrier
1970 Chevrolet Chevelle Malibu
1970 Chevrolet Chevelle Nomad
1970 Chevrolet Chevelle SS
1970 Chevrolet Chevelle SS 454
1970 Chevrolet El Camino Base
1970 Chevrolet El Camino Custom
1970 Chevrolet El Camino SS
1970 Chevrolet Monte Carlo Base
1970 Oldsmobile 442 Base
1970 Oldsmobile Cutlass Base
1970 Oldsmobile Cutlass Supreme Base
1970 Oldsmobile F85 Base
1970 Oldsmobile Vista Cruiser Base
1970 Pontiac Grand Prix Base
1970 Pontiac GTO Base
1970 Pontiac GTO The Judge
1970 Pontiac LeMans Base
1970 Pontiac LeMans Safari
1970 Pontiac LeMans Sport
1970 Pontiac Tempest Base
1970 Pontiac Tempest GT
1971 Buick GS Base
1971 Buick GS 455 Base
1971 Buick Skylark Base
1971 Buick Skylark Custom
1971 Chevrolet Chevelle Base
1971 Chevrolet Chevelle Concours
1971 Chevrolet Chevelle Concours Estate
1971 Chevrolet Chevelle Greenbrier
1971 Chevrolet Chevelle Heavy Chevy
1971 Chevrolet Chevelle Malibu
1971 Chevrolet Chevelle Nomad
1971 Chevrolet Chevelle SS
1971 Chevrolet El Camino Base
1971 Chevrolet El Camino Custom
1971 Chevrolet El Camino SS
1971 Chevrolet Monte Carlo Base
1971 GMC Sprint Base
1971 Oldsmobile 442 Base
1971 Oldsmobile Cutlass Base
1971 Oldsmobile Cutlass S
1971 Oldsmobile Cutlass Supreme Base
1971 Oldsmobile F85 Base
1971 Oldsmobile Vista Cruiser Base
1971 Pontiac Grand Prix Base
1971 Pontiac GTO Base
1971 Pontiac GTO The Judge
1971 Pontiac LeMans Base
1971 Pontiac LeMans Sport
1971 Pontiac LeMans T37
1972 Buick GS Base
1972 Buick GS 455 Base
1972 Buick Skylark 350
1972 Buick Skylark Base
1972 Buick Skylark Custom
1972 Chevrolet Chevelle Base
1972 Chevrolet Chevelle Concours
1972 Chevrolet Chevelle Concours Estate
1972 Chevrolet Chevelle Greenbrier
1972 Chevrolet Chevelle Heavy Chevy
1972 Chevrolet Chevelle Malibu
1972 Chevrolet Chevelle Nomad
1972 Chevrolet Chevelle SS
1972 Chevrolet El Camino Base
1972 Chevrolet El Camino Custom
1972 Chevrolet El Camino SS
1972 Chevrolet Monte Carlo Base
1972 GMC Sprint Base
1972 GMC Sprint Custom
1972 Oldsmobile Cutlass Base
1972 Oldsmobile Cutlass Cruiser
1972 Oldsmobile Cutlass S
1972 Oldsmobile Cutlass Supreme Base
1972 Oldsmobile F85 Base
1972 Oldsmobile Vista Cruiser Base
1972 Pontiac Grand Prix Base
1972 Pontiac GTO Base
1972 Pontiac LeMans Base
1972 Pontiac LeMans Luxury
1972 Pontiac LeMans Sport











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