Flowmaster American Thunder Exhaust Systems For the person who is looking for a complete header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are 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 • Moderate to aggressive sound exterior exhaust tone • Includes hangers and hardware for easy installation • Header-back system
Part Type: Exhaust System Application: '69 Chevrolet Camaro 5.0L, 5.4L, 5.7L, 6.5L, 6.6L, 7.0L V8 (see note) '69 Pontiac Firebird 5.0L, 5.4L, 5.7L, 6.5L, 6.6L, 7.0L V8 (see note) System Series: American Thunder System Type: Header Back - Dual Tone Level: Moderate/Aggressive Inlet Diameter: 2.50" Outlet Diameter: 2.50" Tubing Diameter: 2.50" Muffler Series: Super 44 Series Muffler Quantity: 2 Heatshield: No H-Pipe: Yes Hardware Included: Yes Exit Position: Dual Rear Exit Tip(s) Included: Yes Tip Diameter: 2.50" Tip Material: Stainless Steel Material: 16 Gauge Aluminized Steel Finish: Aluminized Manufacturer: Flowmaster Manufacturer's Part Number: 17139 Weight: 76.0 lbs. Warranty: Limited 3-Year Quantity: Sold as Kit
Note: Convertible models require an aftermarket X-brace or 3/8 shims for clearance.
Installation Instructions (PDF): click here
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