SKU: 17149

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

Regular price $949.95


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.

  • 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

Specifications

  • Series: 50 Series Delta Flow
  • Exhaust Type: Crossmember Back
  • Material: Aluminized Steel
  • Inlet Diameter: 2.5
  • Exit Style: Dual Out Rear
  • Tip Finish: Polished
  • Sound Level: Aggressive / Moderate
  • Includes Muffler: Chambered
  • Emissions: 5
  • Warranty: Manufacturer's Limited Lifetime Warranty
  • Country of Origin: USA

Installation Instructions (PDF) | Product Video

CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov