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Flowmaster American Thunder Crossmember-Back Exhaust System for 15 vehicles

Part # 817412

  • 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

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.

Specifications

CARB (California) CompliantYes
Catalytic Converter IncludedNo
Catalytic Converter Quantity0
Clamping TypeFlat Band
Clamps IncludedYes
Drive2WD
Exhaust SeriesAmerican Thunder
Exhaust Tip ConnectionClamp-On
Exhaust Tip QuantitySold Separately
Exhaust Tip ShapeRound
Exit StyleDual Out Rear
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat Shield IncludedNo
Inlet Diameter2.50 in
Inlet TypeWeld-On
Main Piping Diameter2.50 in
Mounting Bracket IncludedYes
Muffler (Left) Body Height5.00 in
Muffler (Left) Body Length13.50 in
Muffler (Left) Body Width10.00 in
Muffler (Left) TypeChambered
Muffler (Right) Body Height5.00 in
Muffler (Right) Body Length13.50 in
Muffler (Right) Body Width10.00 in
UPC / GTIN00700042024025
WarrantyManufacturer's Limited Lifetime Warranty

Fits these vehicles

YearMakeModelSubmodelEngineNote
1965 - 1966BuickGran SportBase6.6L V82.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1967BuickGran SportBase2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964 - 1967BuickSkylarkBase2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964 - 1967BuickSpecialBase, Deluxe2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964BuickSportwagonBase2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1965BuickSportwagonBase4.9L V82.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1966BuickSportwagonBase, Custom5.6L V82.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1967BuickSportwagonBase5.6L V82.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964ChevroletChevelle300, Malibu, Malibu Super Sport2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1965ChevroletChevelle300, 300 Deluxe, Malibu, Malibu Super Sport2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1966ChevroletChevelle300, 300 Deluxe, Malibu, Super Sport 3962.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1967ChevroletChevelle300, 300 Deluxe, Concours, Malibu, SS 3962.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964 - 1967ChevroletEl CaminoBase2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964Oldsmobile442Base5.4L V82.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1965 - 1967Oldsmobile442Base6.6L V82.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964OldsmobileCutlassBase, Holiday5.4L V82.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1965 - 1966OldsmobileCutlassBase, Holiday5.4L V8, 6.6L V82.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1967OldsmobileCutlassBase, Holiday, Turnpike Cruiser2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1967OldsmobileCutlass SupremeBase5.4L V82.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964 - 1965OldsmobileF85Base, Deluxe2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1966OldsmobileF85Base, Deluxe, Holiday2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1967OldsmobileF85Base2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964 - 1967OldsmobileVista CruiserBase, Custom5.4L V82.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964 - 1967PontiacBeaumontBase2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964 - 1966PontiacGTOBase6.4L V82.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1967PontiacGTOBase6.6L V82.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964 - 1967PontiacLeMansBase2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.
1964 - 1967PontiacTempestBase, Custom, Safari2.5in Stainless Steel Pipes, Aggressive to moderate sound, Stainless Steel; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.; 2.5in Stainless Steel Pipes; Aggressive to moderate sound; Stainless Steel.