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Flowmaster American Thunder Crossmember-Back Exhaust System

Part # 17120 Be the first to write a review

Fits 1964-1972 Chevrolet El Camino and GMC Sprint with V8 engine, 2.5" Aluminized pipes - Aggressive to moderate sound

Flowmaster American Thunder Crossmember-Back Exhaust System

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Free Shipping - Lower 48 US States
Advertised Price $999.95
$898.95
Save $101.00
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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 complete Crossmember-Back dual exhaust system with a moderately aggressive tone for their 1964 to 1972 Chevrolet/GMC El Camino/Sprint with a V8 engine. With easy fit in mind, these systems are constructed from 2.50-inch mandrel-bent aluminized steel with a built in H-pipe to equalized the exhaust pressures, eliminates backrap on deceleration and makes maximum power. The system includes a pair of specially selected Super 50 Series mufflers for a deep powerful exterior sound with minimal interior tone and is suited for the enthusiast who wants their performance to be heard, just not inside the cab. The mandrel-bent tailpipes exit at an angle behind the rear wheels and are finished off with large 3.00-inch angle cut polished stainless tips for an aggressive look. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

Features:

  • Includes Hangers and Hardware for an Easy Installation
  • Super 50 Series Performance Mufflers Eliminates Drone
  • Mandrel-bent 16-gauge Aluminized Steel Tubing
  • Moderate to Aggressive Exterior Exhaust Tone
  • Dyno Tuned for Maximum Performance
  • Polished 3.00-inch Stainless Steel Tips
  • Includes H-pipe Assembly

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 TypeU-Bolt
Clamps IncludedYes
Drive2WD
Emission Code5
Exhaust SeriesAmerican Thunder
Exhaust Tip ColorSilver
Exhaust Tip ConnectionClamp-On
Exhaust Tip CutAngled
Exhaust Tip Diameter3.00 IN
Exhaust Tip EdgeSlash Cut
Exhaust Tip FinishPolished
Exhaust Tip IntercooledNo
Exhaust Tip Length13.00 IN
Exhaust Tip Material304 Stainless Steel
Exhaust Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust Tip ShapeRound
Exhaust Tip WallSingle Wall
Exit StyleDual Out Side
FinishAluminized
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 Length17.00 IN
Muffler (Left) Body Width10.00 IN
Muffler (Left) TypeChambered
Muffler (Right) Body Height5.00 IN
Muffler (Right) Body Length17.00 IN
Muffler (Right) Body Width10.00 IN
Muffler (Right) TypeChambered
Muffler Body Length17.00 IN
Muffler Body MaterialAluminized Steel
Muffler Body ShapeOval
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 Number52558
Muffler Quantity2
Muffler SeriesSuper 50 Series
Muffler TypeChambered
Part TypeExhaust System
Pipe ColorSilver
Pipe MaterialAluminized 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
UPC700042016808
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
Part Number17120
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.
Fits 1964-1972 Chevrolet El Camino and GMC Sprint with V8 engine.
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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 $999.95
    $898.95
    Save $101.00