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Old 01-28-2015, 11:36 AM   #1

FlowmasterMufflers's Avatar
Drives: 2016 Camaro SS
Join Date: Jul 2010
Location: Santa Rosa, CA
Posts: 618
Flowmaster's American Thunder Header-Back System 67-74 Camaro/Firebird, 68-74 Nova

Part #817104 (stainless steel) or Part #17104 (aluminized steel)

1967 to 1974 Chevrolet Camaro and Pontiac Firebird with a V8 engine, also 1968 to 1974 Chevrolet Nova with a V8 engine.

Special Note:
Convertible models require an aftermarket X-brace or 3/8 shims for clearance

For the person who is looking for a complete Header-back dual exhaust system. These systems are mandrel bent for maximum performance and include specially selected mufflers. This American Thunder system delivers a moderate interior and exterior tone and is suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

✓ Mandrel bent 16 gauge 409 stainless tubing
✓ Moderate exterior exhaust tone
✓ Includes hangers and hardware for easy installation
✓ Header back system
✓ Dyno tuned for maximum performance
✓ Premium Flowmaster quality

Phone: (707)544-4761 M-F 6AM–5PM PST, Sat 7:30AM–5PM PST
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american thunder, exhaust, flowmaster, header, system

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