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Manufacturer information. Check the part number and installation requirements for your vehicle.
Supplier details checked 2026-09-23 · Test catalog
Fits 1967-1969 Chevrolet Camaro and Pontiac Firebird, 3.0 inch Aluminized Pipes - Aggressive sound
Flowmaster American Thunder Crossmember-Back Exhaust System
Does Not Include Header Reducers or Downpipes for Factory Manifolds
H-pipe Crossover for Maximum Power and Deep Tone
Super 40 Series Mufflers for Deep Powerful Sound
Includes Hangers and Hardware for Installation
Mandrel-bent 16-gauge Aluminized Steel Tubing
Moderate to Aggressive Exterior Exhaust Tone
Crossmember-Back True Dual Exhaust System
Large Dual 3.00-inch Tubing
Does not fit convertibles without an X-brace modification. The brace will need to be shimmed down enough to clear the new exhaust pipes.
Flowmaster 67-69 GM F-BODY 3.0in. American Thunder Crossmember-Back Exhaust System
6769 GM FBODY 30 AMT
SYS 67-69 GM F-BODY
This Crossmember-Back American Thunder system is custom designed for high horsepower and large cubic inch engines in 1967-1969 Chevrolet Camaro and Pontiac Firebirds with a V8 engine. It's a true-dual exhaust system featuring all mandrel-bent 3.00-inch aluminized steel tubing with a built-in H-pipe crossover assembly flowing into a pair of large cased Super 40 Series performance mufflers for maximum power and a deep powerful aggressive exhaust note. The large 3.00-inch mandrel-bent tailpipes are custom bent to tuck up high above the rear end and exit with a slight turn down at the quarter panels behind the rear wheels. The system is constructed from aluminized steel and includes all necessary hardware and hangers for installation. Covered by our 3-year Limited Warranty.
SYS 67-69 GM
