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Vehicle Info NeededAmerican Thunder Cat-Back Performance Exhaust System For 1986-1991 Chevrolet Camaro and Pontiac Firebird 5.0L or 5.7L Engine
Ships on Nov 09, 2026
Lowest Price GuaranteeThis american thunder cat-back exhaust system replaces the factory piping with mandrel-bent tubing and a specially tuned muffler to open up exhaust flow and sharpen the exit note. All factory hanger locations and installation hardware are retained, so the system bolts into place without cutting or welding.
American Thunder Cat-Back Performance Exhaust System For 1986-1991 Chevrolet Camaro and Pontiac Firebird 5.0L or 5.7L Engine Specifications:
- For 1986-1991 Chevrolet Camaro and Pontiac Firebird.
- 5.0L or 5.7L Engine.
- System Type: Cat-Back.
- Exhaust Series: American Thunder.
- Main Piping Diameter: 3 in.
- Exit Style: Dual Out Rear.
- Muffler Type: Chambered.
- Exhaust Tip Quantity: 2.
- Exhaust Tip Diameter: 3 in.
- Exhaust Tip Finish: Polished.
- Sound Level: Moderate.
- Valve Included: No.
- Fitment Note: Requires 2.50-inch Flanged Catalytic Converter.
Emissions Note:
This part is legal for sale or uses 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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Experience An Exhaust System Tuned for Performance and Tone
If you need an exhaust system that has been dyno tuned to produce maximum performance, look no further than Flowmaster's American Thunder Exhaust Systems. This line, designed for passenger cars, produces a range of systems that offer moderate to aggressive exhaust notes. Available in axle, cat, and header-back configurations, Flowmaster has you covered. To ensure durability and ease of installation, these kits are made from 16-gauge mandrel bent tubing and includes the necessary hangers and hardware.
