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Flowmaster

Flowmaster American Thunder Crossmember-Back Exhaust System

1965-1968 Chevrolet Impala, Caprice coupes, wagons and convertibles with a V8 engine. - Aggressive to moderate sound

Part # 17655-FM Be the first to write a review

Flowmaster American Thunder Crossmember-Back Exhaust System

In Stock
MSRP $1,047.95
$836.95
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5

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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The American Thunder Crossmember-Back exhaust system for 1965-1968 Chevrolet Impala and Caprice is perfect for the person looking for a moderate to aggressive sound level inside and outside of the car, with all of the performance benefits that you would expect from Flowmaster. This bolt-on exhaust system features mandrel-bent 2.50-inch aluminized steel tubing with a built-in H-pipe crossover, a pair of Super 40 Series mufflers and dual 2.50-inch mandrel bent tailpipes. The system is finished off with a pair of polished oval stainless steel tips. The system is covered by our 3-year Limited Warranty and is designed for an easy fit. The system includes all necessary parts and hardware for installation. Note: Fits coupes, wagons, and convertibles. Big Block cars, use Flowmaster# 81075 manifold down-pipe kit to connect to factory manifolds.

Features:

  • H-pipe Crossover for Maximum Power and Deep Tone
  • Super 40 Series Mufflers for Deep Powerful Sound
  • Includes Large Polished Stainless Steel Oval Tips
  • Mandrel-bent 16-gauge Aluminized Steel Tubing
  • Includes Hangers and Hardware for Installation
  • Moderate to Aggressive Exterior Exhaust Tone
  • Crossmember-back True Dual Exhaust System
  • Does Not Include Header Reducers or Downpipes for Factory Manifolds
  • For Factory Manifolds use Downpipe Kit # 81075
2WD/4WD2WD
Brand Flowmaster
Catalytic Converter IncludedNo
Catalytic Converter Quantity0
CategoryExhaust
Clamping TypeFlat Band
Clamps IncludedYes
ColorBlack
Emission Code5
Exhaust SeriesAmerican Thunder
Exhaust Tip ConnectionClamp-On
Exhaust Tip CutAngled
Exhaust Tip FinishPolished
Exhaust Tip IntercooledNo
Exhaust Tip Material304 Stainless Steel
Exhaust Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust Tip ShapeOval
Exit PositionDual Out Rear
Exit StyleDual Out Rear
FinishAluminized
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat ShieldNo
Inlet Diameter2.50 IN
Inlet TypeClamp-On
Weld-On
Main Piping Diameter2.50 IN
MaterialAluminized Steel
Mount TypeFlanged
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
Muffler (Right) TypeChambered
Muffler Body Length13.50 IN
Muffler Body MaterialAluminized Steel
Muffler Body ShapeOval
Muffler FinishBlack High-Temperature Paint Finish
Muffler Flanged InletNo
Muffler Flanged OutletNo
Muffler Inlet ConnectionSlip-Fit
Muffler Inlet Inside Diameter2.50 IN
Muffler Inlet Outside Diameter2.63 IN
Muffler Outlet ConnectionSlip-Fit
Muffler Outlet Quantity1
Muffler Part NumberKit Only
Muffler Quantity2
Muffler SeriesSuper 40 Series
Muffler TypeWelded Baffle
Outlet Diameter2.50 IN
part typeExhaust System Kit
Pipe MaterialAluminized Steel
Product TypeExhaust System
ShapeOval
Single DualDual
Sound LevelAggressive / Moderate
Spring Bolt Kit IncludedNo
Sub CategoryExhaust and Tail Pipes
System TypeCrossmember-back
Tail Pipe Outlet Outside Diameter2.50 IN
Tail Pipe Quantity2
Tail Pipe Tapered OutletNo
Tip ShapeOval
Tubing Diameter2.50 IN
TypeCrossmember-back
Valve IncludedNo
Valve TypeNot Included
UPC090127078068
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number17655-FM
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Instructions - fm_warranty_general.pdf
Instructions - 17655.pdf
"Due to possible differences in the frame design during these years, modification of the muffler frame hangers may be needed.
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