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Flowmaster American Thunder Crossmember-Back Exhaust System

Fits 1970-1974 Chevrolet Camaro and Pontiac Firebird with V8 engine. 2.50 inch Aluminized Steel - Aggressive to moderate sound

Part # 17149
1 Review

Flowmaster American Thunder Crossmember-Back Exhaust System

In Stock
Free Shipping - Lower 48 US States
$819.95
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Starting at $73 a month with Learn More
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.

See Emissions Details
This American Thunder® exhaust system comes as a complete true dual crossmember-back exhaust for your 1970-1974 Chevrolet Camaro or Pontiac Firebird with V8 engine. These dual systems feature 2.50-inch mandrel-bent aluminized steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of Slimline 50 Series® Delta Flow 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 straight out under the rear bumper and are finished off with 2.50-inch angle-cut brushed stainless steel tips and includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage. Covered by our 3-year Limited Warranty.

Features:

  • Specially Designed Slimline 50 Series Mufflers for Max Clearance
  • H-pipe Crossover for Maximum Power and Deep Tone
  • Moderate to Aggressive Sound Exterior Exhaust Note
  • Includes 2.50-inch Polished 304 Stainless Steel Tips
  • Mandrel-bent 16-gauge Aluminized Steel Tubing
  • Includes Hangers and Hardware for Installation
  • Crossmember-back True Dual Exhaust System
  • Does Not Include Header Reducers or Factory Manifold Downpipes

About Flowmaster

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

2WD/4WD2WD
Brand Flowmaster
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Out Rear
Heat ShieldNo
Inlet Diameter (in)2.5
MaterialAluminized Steel
Muffler Part Number932556
Muffler Quantity2
Muffler Series50 Series Delta Flow
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelAggressive / Moderate
System TypeCrossmember-back
Tip Diameter (in)2.5
Tip Quantity2
Tube Diameter2.5 inch
Tubing Diameter (in)2.5
Type of ExhaustCrossmember-back
UPC700042016662
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number17149
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 1970-1974 Chevrolet Camaro and Pontiac Firebird with V8 engine.
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*Free Shipping & 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.