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
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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





