Description

This American Thunder® exhaust system comes as a complete true dual Crossmember-Back exhaust for your 1964-1967 GM A-body with a V8 engine. These dual exhaust systems feature 2.50-inch mandrel-bent stainless steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of large case Super 40® mufflers that deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50-inch tailpipes exit at the rear corners of the car and angle down under the rear bumper for a strong muscular look. The system includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage and is covered by our Lifetime Limited Warranty.

Features

  • H-pipe Crossover for Maximum Power and Deep Tone
  • Super 40 Series Mufflers for Deep Powerful Sound
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Includes Hangers and Hardware for Installation
  • Moderate to Aggressive Exterior Exhaust Tone
  • Crossmember-Back True Dual Exhaust System
  • Lifetime Limited Warranty

Specifications

2WD/4WD2WD
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 RequiredYes
Catalytic Converter QuantityNot Included
Clamping TypeFlat Band
Clamps IncludedYes
Emission Code5
Exhaust SeriesAmerican Thunder
Exhaust Tip ConnectionClamp-On
Exhaust Tip QuantitySold Separately
Exit PositionDual Side Exit
Exit StyleDual Out Rear
Exit StyleDual Out Side
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat ShieldNo
Inlet Diameter2.5
Inlet TypeWeld-On
Main Piping Diameter2.50
Main Piping Diameter2-1/2
Material409 Stainless Steel
Mounting Bracket IncludedYes
Muffler (Left) Body Height5
Muffler (Left) Body Length13.5
Muffler (Left) Body Width10
Muffler (Left) TypeChambered
Muffler (Right) Body Height5
Muffler (Right) Body Length13.5
Muffler (Right) Body Width10
Muffler (Right) TypeChambered
Muffler Body Length13.5
Muffler Body Material409 Stainless Steel
Muffler Body ShapeOval
Muffler FinishBlack High-Temperature Paint Finish
Muffler Flanged InletNo
Muffler Flanged OutletNo
Muffler Inlet ConnectionSlip-Fit
Muffler Inlet Inside Diameter2.5
Muffler Inlet Outside Diameter2.63
Muffler Outlet ConnectionSlip-Fit
Muffler Outlet Quantity1
Muffler Part NumberKit Only
Muffler Quantity2
Muffler SeriesSuper 40 Series
Muffler TypeChambered
Outlet Diameter2.5
Pipe MaterialStainless Steel
Product TypeExhaust System
Sale CategoryExhaust
Single DualDual
Sound LevelAggressive / Moderate
Spring Bolt Kit IncludedNo
System TypeCrossmember-back
Tail Pipe Outlet Outside Diameter2.5
Tail Pipe Quantity2
Tail Pipe Tapered OutletNo
Tip QuantityNot Included
Tube Diameter2.5 inch
Tubing Diameter2.5
TypeCrossmember-back
Type of ExhaustCrossmember-back
Valve IncludedNo
Valve TypeNot Included

Compatibility

  • 1965 - 1966 Buick Gran Sport Base 6.6
  • 1967 - 1967 Buick Gran Sport Base 5.6
  • 1967 - 1967 Buick Gran Sport Base 6.6
  • 1964 - 1967 Buick Skylark Base 4.9
  • 1965 - 1966 Buick Skylark Base 6.6
  • 1966 - 1967 Buick Skylark Base 5.6
  • 1967 - 1967 Buick Skylark Base 6.6
  • 1964 - 1967 Buick Special Deluxe 4.9
  • 1964 - 1967 Buick Special Base 4.9
  • 1966 - 1967 Buick Special Base 5.6
  • 1964 - 1967 Buick Sportwagon Base
  • 1964 - 1967 Buick Sportwagon Base
  • 1964 - 1965 Buick Sportwagon Base 4.9
  • 1966 - 1967 Buick Sportwagon Base 5.6
  • 1966 - 1966 Buick Sportwagon Custom 5.6
  • 1966 - 1966 Buick Sportwagon Custom
  • 1966 - 1966 Buick Sportwagon Custom
  • 1964 - 1967 Chevrolet Chevelle SS 4.6
  • 1964 - 1967 Chevrolet Chevelle SS 5.3
  • 1964 - 1967 Chevrolet Chevelle Base 5.3
  • 1964 - 1967 Chevrolet Chevelle Base 4.6
  • 1965 - 1967 Chevrolet Chevelle SS 6.5
  • 1965 - 1967 Chevrolet Chevelle Base 6.5
  • 1965 - 1967 Chevrolet Chevelle Deluxe 4.6
  • 1965 - 1965 Chevrolet Chevelle Deluxe 5.4
  • 1967 - 1967 Chevrolet Chevelle Deluxe 5.4
  • 1967 - 1967 Chevrolet Chevelle 300 Deluxe 4.6
  • 1967 - 1967 Chevrolet Chevelle 300 4.6
  • 1967 - 1967 Chevrolet Chevelle Deluxe 6.5
  • 1967 - 1967 Chevrolet Chevelle Concours 6.5
  • 1967 - 1967 Chevrolet Chevelle Concours 4.6
  • 1967 - 1967 Chevrolet Chevelle Concours 5.4
  • 1967 - 1967 Chevrolet Chevelle 300 5.3
  • 1967 - 1967 Chevrolet Chevelle 300 Deluxe 5.3
  • 1964 - 1967 Chevrolet El Camino Base 4.6
  • 1964 - 1967 Chevrolet El Camino Base 5.3
  • 1966 - 1967 Chevrolet El Camino Base 6.5
  • 1964 - 1967 Chevrolet Malibu Base 4.6
  • 1964 - 1967 Chevrolet Malibu Base 5.3
  • 1965 - 1967 Chevrolet Malibu Base 6.5
  • 1964 - 1964 Oldsmobile 442 Base 5.4
  • 1965 - 1967 Oldsmobile 442 Base 6.6
  • 1964 - 1967 Oldsmobile F85 Base 5.4
  • 1964 - 1966 Oldsmobile F85 Deluxe 5.4
  • 1965 - 1966 Oldsmobile F85 Base 6.6
  • 1966 - 1966 Oldsmobile F85 Holiday 6.6
  • 1966 - 1966 Oldsmobile F85 Holiday 5.4
  • 1964 - 1967 Oldsmobile Cutlass Base 5.4
  • 1964 - 1967 Oldsmobile Cutlass Holiday 5.4
  • 1965 - 1967 Oldsmobile Cutlass Base 6.6
  • 1965 - 1967 Oldsmobile Cutlass Holiday 6.6
  • 1967 - 1967 Oldsmobile Cutlass Turnpike Cruiser 5.4
  • 1967 - 1967 Oldsmobile Cutlass Turnpike Cruiser 6.6
  • 1964 - 1967 Oldsmobile Vista Cruiser Base
  • 1964 - 1967 Oldsmobile Vista Cruiser Custom 5.4
  • 1964 - 1967 Oldsmobile Vista Cruiser Custom
  • 1964 - 1967 Oldsmobile Vista Cruiser Base 5.4
  • 1964 - 1967 Oldsmobile Vista Cruiser Base
  • 1964 - 1967 Oldsmobile Vista Cruiser Custom
  • 1964 - 1966 Pontiac GTO Base 6.4
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base 6.6
  • 1964 - 1967 Pontiac Beaumont Base
  • 1964 - 1967 Pontiac LeMans Base 5.3
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base 3.5
  • 1966 - 1967 Pontiac LeMans Base 3.8
  • 1964 - 1967 Pontiac Tempest Base 5.3
  • 1964 - 1967 Pontiac Tempest Safari 5.3
  • 1964 - 1965 Pontiac Tempest Custom 5.3
  • 1967 - 1967 Pontiac Tempest Custom 5.3
  • 1964 - 1965 Pontiac Tempest Custom 3.5
  • 1964 - 1965 Pontiac Tempest Base 3.5
  • 1964 - 1965 Pontiac Tempest Safari 3.5
  • 1965 - 1967 Pontiac Tempest Custom 3.8
  • 1966 - 1967 Pontiac Tempest Safari 3.8
  • 1966 - 1967 Pontiac Tempest Base 3.8

This American Thunder® exhaust system comes as a complete true dual Crossmember-Back exhaust for your 1964-1967 GM A-body with a V8 engine. These dual exhaust systems feature 2.50-inch mandrel-bent stainless steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of large case Super 40® mufflers that deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50-inch tailpipes exit at the rear corners of the car and angle down under the rear bumper for a strong muscular look. The system includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage and is covered by our Lifetime Limited Warranty.

Features

  • H-pipe Crossover for Maximum Power and Deep Tone
  • Super 40 Series Mufflers for Deep Powerful Sound
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Includes Hangers and Hardware for Installation
  • Moderate to Aggressive Exterior Exhaust Tone
  • Crossmember-Back True Dual Exhaust System
  • Lifetime Limited Warranty
2WD/4WD2WD
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 RequiredYes
Catalytic Converter QuantityNot Included
Clamping TypeFlat Band
Clamps IncludedYes
Emission Code5
Exhaust SeriesAmerican Thunder
Exhaust Tip ConnectionClamp-On
Exhaust Tip QuantitySold Separately
Exit PositionDual Side Exit
Exit StyleDual Out Rear
Exit StyleDual Out Side
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat ShieldNo
Inlet Diameter2.5
Inlet TypeWeld-On
Main Piping Diameter2.50
Main Piping Diameter2-1/2
Material409 Stainless Steel
Mounting Bracket IncludedYes
Muffler (Left) Body Height5
Muffler (Left) Body Length13.5
Muffler (Left) Body Width10
Muffler (Left) TypeChambered
Muffler (Right) Body Height5
Muffler (Right) Body Length13.5
Muffler (Right) Body Width10
Muffler (Right) TypeChambered
Muffler Body Length13.5
Muffler Body Material409 Stainless Steel
Muffler Body ShapeOval
Muffler FinishBlack High-Temperature Paint Finish
Muffler Flanged InletNo
Muffler Flanged OutletNo
Muffler Inlet ConnectionSlip-Fit
Muffler Inlet Inside Diameter2.5
Muffler Inlet Outside Diameter2.63
Muffler Outlet ConnectionSlip-Fit
Muffler Outlet Quantity1
Muffler Part NumberKit Only
Muffler Quantity2
Muffler SeriesSuper 40 Series
Muffler TypeChambered
Outlet Diameter2.5
Pipe MaterialStainless Steel
Product TypeExhaust System
Sale CategoryExhaust
Single DualDual
Sound LevelAggressive / Moderate
Spring Bolt Kit IncludedNo
System TypeCrossmember-back
Tail Pipe Outlet Outside Diameter2.5
Tail Pipe Quantity2
Tail Pipe Tapered OutletNo
Tip QuantityNot Included
Tube Diameter2.5 inch
Tubing Diameter2.5
TypeCrossmember-back
Type of ExhaustCrossmember-back
Valve IncludedNo
Valve TypeNot Included
  • 1965 - 1966 Buick Gran Sport Base 6.6
  • 1967 - 1967 Buick Gran Sport Base 5.6
  • 1967 - 1967 Buick Gran Sport Base 6.6
  • 1964 - 1967 Buick Skylark Base 4.9
  • 1965 - 1966 Buick Skylark Base 6.6
  • 1966 - 1967 Buick Skylark Base 5.6
  • 1967 - 1967 Buick Skylark Base 6.6
  • 1964 - 1967 Buick Special Deluxe 4.9
  • 1964 - 1967 Buick Special Base 4.9
  • 1966 - 1967 Buick Special Base 5.6
  • 1964 - 1967 Buick Sportwagon Base
  • 1964 - 1967 Buick Sportwagon Base
  • 1964 - 1965 Buick Sportwagon Base 4.9
  • 1966 - 1967 Buick Sportwagon Base 5.6
  • 1966 - 1966 Buick Sportwagon Custom 5.6
  • 1966 - 1966 Buick Sportwagon Custom
  • 1966 - 1966 Buick Sportwagon Custom
  • 1964 - 1967 Chevrolet Chevelle SS 4.6
  • 1964 - 1967 Chevrolet Chevelle SS 5.3
  • 1964 - 1967 Chevrolet Chevelle Base 5.3
  • 1964 - 1967 Chevrolet Chevelle Base 4.6
  • 1965 - 1967 Chevrolet Chevelle SS 6.5
  • 1965 - 1967 Chevrolet Chevelle Base 6.5
  • 1965 - 1967 Chevrolet Chevelle Deluxe 4.6
  • 1965 - 1965 Chevrolet Chevelle Deluxe 5.4
  • 1967 - 1967 Chevrolet Chevelle Deluxe 5.4
  • 1967 - 1967 Chevrolet Chevelle 300 Deluxe 4.6
  • 1967 - 1967 Chevrolet Chevelle 300 4.6
  • 1967 - 1967 Chevrolet Chevelle Deluxe 6.5
  • 1967 - 1967 Chevrolet Chevelle Concours 6.5
  • 1967 - 1967 Chevrolet Chevelle Concours 4.6
  • 1967 - 1967 Chevrolet Chevelle Concours 5.4
  • 1967 - 1967 Chevrolet Chevelle 300 5.3
  • 1967 - 1967 Chevrolet Chevelle 300 Deluxe 5.3
  • 1964 - 1967 Chevrolet El Camino Base 4.6
  • 1964 - 1967 Chevrolet El Camino Base 5.3
  • 1966 - 1967 Chevrolet El Camino Base 6.5
  • 1964 - 1967 Chevrolet Malibu Base 4.6
  • 1964 - 1967 Chevrolet Malibu Base 5.3
  • 1965 - 1967 Chevrolet Malibu Base 6.5
  • 1964 - 1964 Oldsmobile 442 Base 5.4
  • 1965 - 1967 Oldsmobile 442 Base 6.6
  • 1964 - 1967 Oldsmobile F85 Base 5.4
  • 1964 - 1966 Oldsmobile F85 Deluxe 5.4
  • 1965 - 1966 Oldsmobile F85 Base 6.6
  • 1966 - 1966 Oldsmobile F85 Holiday 6.6
  • 1966 - 1966 Oldsmobile F85 Holiday 5.4
  • 1964 - 1967 Oldsmobile Cutlass Base 5.4
  • 1964 - 1967 Oldsmobile Cutlass Holiday 5.4
  • 1965 - 1967 Oldsmobile Cutlass Base 6.6
  • 1965 - 1967 Oldsmobile Cutlass Holiday 6.6
  • 1967 - 1967 Oldsmobile Cutlass Turnpike Cruiser 5.4
  • 1967 - 1967 Oldsmobile Cutlass Turnpike Cruiser 6.6
  • 1964 - 1967 Oldsmobile Vista Cruiser Base
  • 1964 - 1967 Oldsmobile Vista Cruiser Custom 5.4
  • 1964 - 1967 Oldsmobile Vista Cruiser Custom
  • 1964 - 1967 Oldsmobile Vista Cruiser Base 5.4
  • 1964 - 1967 Oldsmobile Vista Cruiser Base
  • 1964 - 1967 Oldsmobile Vista Cruiser Custom
  • 1964 - 1966 Pontiac GTO Base 6.4
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1964 - 1965 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base
  • 1967 - 1967 Pontiac GTO Base 6.6
  • 1964 - 1967 Pontiac Beaumont Base
  • 1964 - 1967 Pontiac LeMans Base 5.3
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base
  • 1967 - 1967 Pontiac LeMans Base
  • 1964 - 1965 Pontiac LeMans Base 3.5
  • 1966 - 1967 Pontiac LeMans Base 3.8
  • 1964 - 1967 Pontiac Tempest Base 5.3
  • 1964 - 1967 Pontiac Tempest Safari 5.3
  • 1964 - 1965 Pontiac Tempest Custom 5.3
  • 1967 - 1967 Pontiac Tempest Custom 5.3
  • 1964 - 1965 Pontiac Tempest Custom 3.5
  • 1964 - 1965 Pontiac Tempest Base 3.5
  • 1964 - 1965 Pontiac Tempest Safari 3.5
  • 1965 - 1967 Pontiac Tempest Custom 3.8
  • 1966 - 1967 Pontiac Tempest Safari 3.8
  • 1966 - 1967 Pontiac Tempest Base 3.8

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