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Flowmaster 17149 American Thunder Crossmember-Back Exhaust System

Part # 17149 Be the first to write a review

Compatible with 1970-1974 Chevrolet Camaro and Pontiac Firebird with V8 engine. 2.50 inch Aluminized Steel

Flowmaster 17149 American Thunder Crossmember-Back Exhaust System

Estimated Ship Date: 08/11/2025
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$899.95
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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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This American Thunder® exhaust system comes as a complete true dual headers-back exhaust for your 1970-1974 Chevrolet Camaro or Pontiac Firebird with V8 engine. These dual systems feature 2.50 in. 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 in. tailpipes exit straight out under the rear bumper and are finished off with 2.50 in. 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
  • Header-back True Dual Exhaust System
  • Does Not Include Header Reducers
Brand Flowmaster
Emission Code5
Product TypeHeader-Back Exhaust Systems
WarrantyManufacturer's Limited 3 Year
UPC700042016662
Manufacturer Part Number17149
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.
Manufacturer's Limited 3 Year: See Details
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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.