Flowmaster 64-67 GM A-BODY V8 3in. American Thunder Crossmember-Back Exhaust System

This American Thunder® Crossmember-Back exhaust system is a true dual 3.00-inch muscle car system that gives your car a deep aggressive sound. This aluminized steel system is mandrel-bent for maximum exhaust flow and performance. The system includes an H-pipe crossover to balance out the exhaust pressures, add hp and torque, and to help eliminate back-rap on deceleration. The specially selected Super 40® Series performance mufflers are in a large case to handle the high horsepower and provide a deep muscular tone while flowing through the large 3.00-inch tailpipes. The American Thunder systems generally deliver an aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The sound level will depend greatly on the engine and level of modification. 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. Covered by our 3 Year Limited Warranty.

• 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
• Crossmember-Back True Dual Exhaust System
• Aggressive Exterior Exhaust Tone
• True Dual 3.00-inch Exhaust

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