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Flowmaster American Thunder Crossmember-Back Exhaust System for 21 vehicles

Part # 817200

  • Super 40 Series Performance Mufflers for Deep Powerful Sound
  • H-pipe Crossover for Maximum Power and Deep Tone
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Includes Hangers and Hardware for Installation
  • Crossmember-Back True Dual Exhaust System
  • Large 3.00-inch Stainless Steel Tubing
  • Does Not Include Header Reducers or Factory Manifold Downpipes
  • Aggressive Exterior Exhaust Tone
  • Lifetime Limited Warranty

Description

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 stainless 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 409 stainless steel for maximum durability, includes all necessary hardware and hangers for installation and is covered by our Lifetime Limited Warranty. This system is also available in Aluminized steel and comes with a 3-year Limited Warranty, check out part# 17200.

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 Quantity0
Exhaust Tip ShapeRound
Exit StyleDual Out Rear
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat Shield IncludedNo
Inlet Diameter3.00 in
Inlet TypeWeld-On
Main Piping Diameter3.00 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 / GTIN00700042025558
WarrantyManufacturer's Limited Lifetime Warranty

Fits these vehicles

YearMakeModelSubmodelEngineNote
1970 - 1972BuickGSBase5.7L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968 - 1969BuickGS 350Base5.7L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968 - 1969BuickGS 400Base6.6L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970BuickGS 455Base, GSX7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1971 - 1972BuickGS 455Base7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968BuickSkylarkBase, Custom5.7L V8, 6.6L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1969BuickSkylarkBase, Custom5.7L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970BuickSkylark350, Base, Custom5.7L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1971BuickSkylarkBase, Custom5.7L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1972BuickSkylark350, Base, Custom5.7L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968 - 1969BuickSpecialBase5.7L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968 - 1969BuickSportwagonBase, Custom5.7L V8, 6.6L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970BuickSportwagonBase5.7L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1971 - 1972BuickSportwagonBase5.7L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968ChevroletChevelle300, 300 Deluxe, Concours, Malibu, Nomad, Nomad Custom, SS 3965.0L V8, 5.3L V8, 6.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1969ChevroletChevelle300 Deluxe, Concours, Concours Estate, Greenbrier, Malibu, Nomad, SS 3965.0L V8, 5.7L V8, 6.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970ChevroletChevelleBase, Concours, Concours Estate, Greenbrier, Malibu, Nomad, SS 396, SS 4545.0L V8, 5.7L V8, 6.6L V8, 7.4L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1971 - 1972ChevroletChevelleBase, Concours, Concours Estate, Greenbrier, Heavy Chevy, Malibu, Nomad, SS5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968ChevroletEl CaminoBase, Custom, SS5.0L V8, 5.3L V8, 5.4L V8, 5.7L V8, 6.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1969ChevroletEl CaminoBase, Custom, SS5.0L V8, 5.3L V8, 5.7L V8, 6.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970ChevroletEl CaminoBase, Custom, SS5.0L V8, 5.7L V8, 6.5L V8, 6.6L V8, 7.4L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1971 - 1972ChevroletEl CaminoBase, Custom, SS5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970 - 1972ChevroletMonte CarloBase5.7L V8, 6.6L V8, 7.4L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1971GMCSprintBase5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1972GMCSprintBase, Custom5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968 - 1969Oldsmobile442Base6.6L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970 - 1971Oldsmobile442Base7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968OldsmobileCutlassBase, S5.7L V8, 6.6L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1969OldsmobileCutlassBase5.7L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970OldsmobileCutlassBase5.7L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1971OldsmobileCutlassBase, S5.7L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1972OldsmobileCutlassBase, Cruiser, S5.7L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968 - 1970OldsmobileCutlass SupremeBase5.7L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1971 - 1972OldsmobileCutlass SupremeBase5.7L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968 - 1969OldsmobileF85Base5.7L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970OldsmobileF85Base5.7L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1971OldsmobileF85Base5.7L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1972OldsmobileF85Base5.7L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968 - 1969OldsmobileVista CruiserBase5.7L V8, 6.6L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970 - 1972OldsmobileVista CruiserBase5.7L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968PontiacBeaumontBase5.0L V8, 5.3L V8, 5.7L V8, 6.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1969PontiacBeaumontBase5.0L V8, 5.7L V8, 6.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1969PontiacGrand PrixBase6.6L V8, 7.0L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970 - 1972PontiacGrand PrixBase6.6L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968 - 1969PontiacGTOBase6.6L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970 - 1971PontiacGTOBase, The Judge6.6L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1972PontiacGTOBase6.6L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968PontiacLeMansBase5.7L V8, 6.6L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1969PontiacLeMansBase, Safari5.7L V8, 6.6L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970PontiacLeMansBase, Safari, Sport5.7L V8, 6.6L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1971PontiacLeMansBase, Sport, T375.7L V8, 6.6L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1972PontiacLeMansBase, Luxury, Sport5.7L V8, 6.6L V8, 7.5L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1968 - 1969PontiacTempestBase, Custom, Safari5.7L V8, 6.6L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.
1970PontiacTempestBase, GT5.7L V8, 6.6L V8Aggressive sound; Super 40 Series Performance Mufflers; 3.00-inch Stainless Steel Pipes; Small Block Chevy Swap; Big Block Chevy Swap; LS Swap; LT Swap.