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Flowmaster American Thunder Crossmember-Back Exhaust System

Part # 817158 Be the first to write a review

Fits 1968-1974 Chevrolet Nova with V8 engine. 2.50 inch Stainless Steel Pipes - Aggressive to moderate sound

Flowmaster American Thunder Crossmember-Back Exhaust System

In Stock
Free Shipping - Lower 48 US States
Advertised Price $921.95
$828.95
Save $93.00
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Delta Flow
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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For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge 2.50-inch mandrel-bent stainless steel tubing with a built-in H-pipe crossover, a pair of specially selected Super 44 Series performance mufflers and includes all hangers and hardware necessary for installation. The tailpipes exit in the factory location behind the rear wheels. The exhaust system delivers an aggressive to moderate exterior sound tone with a moderate interior tone and is best suited for the enthusiast who wants their performance to be heard. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. Covered by our Lifetime Limited Warranty.

Features:

  • Super 44 Series Performance Mufflers for Deep Powerful Sound
  • Crossmember-back True Dual 2.50-inch Exhaust System
  • Includes Hangers and Hardware for Installation
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Aggressive to Moderate Exterior Exhaust Tone
  • Does Not Include Header Reducer Cones or Downpipes for Factory Manifolds
  • H-pipe Crossover for Maximum Power
  • Lifetime Limited Warranty

About Flowmaster

Shop the complete line of Flowmaster products for exhaust systems, mufflers, and more that deliver the iconic Flowmaster sound. Available at Holley.com!

Brand Flowmaster
California Proposition 65Yes
CARB (California) CompliantYes
Catalytic Converter IncludedNo
Catalytic Converter Quantity0
CategoryExhaust
Clamping TypeFlat Band
Clamps IncludedYes
Drive2WD
Emission Code5
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 Diameter2.50 IN
Inlet TypeWeld-On
Main Piping Diameter2.50 IN
Mounting Bracket IncludedYes
Muffler (Left) Body Height4.00 IN
Muffler (Left) Body Length13.00 IN
Muffler (Left) Body Width9.75 IN
Muffler (Left) TypeChambered
Muffler (Right) Body Height4.00 IN
Muffler (Right) Body Length13.00 IN
Muffler (Right) Body Width9.75 IN
Muffler (Right) TypeChambered
Muffler Body Height4.00 IN
Muffler Body Length13.00 IN
Muffler Body Material409 Stainless Steel
Muffler Body ShapeOval
Muffler Body Width9.50 IN
Muffler FinishBlack High-Temperature Paint Finish
Muffler Flanged InletNo
Muffler Flanged OutletNo
Muffler IncludedYes
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 44 Series
Muffler TypeChambered
Part TypeExhaust System
Pipe ColorSilver
Pipe Material409 Stainless Steel
Product TypeExhaust System
Sound LevelAggressive / Moderate
Spring Bolt Kit IncludedNo
Sub CategoryExhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter2.50 IN
Tail Pipe Quantity2
Dual
Tail Pipe Tapered OutletNo
TypeCrossmember-back
Valve IncludedNo
Valve TypeNot Applicable
UPC700042025626
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
Part Number817158
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.
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    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.

    Flowmaster American Thunder Crossmember-Back Exhaust System
    Flowmaster American Thunder Crossmember-Back Exhaust System
    Advertised Price $921.95
    $828.95
    Save $93.00