Flowmaster 817585 - Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive

Flowmaster 817585 - Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive

Flowmaster American Thunder Crossmember-Back Exhaust System

American Thunder Header Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X-Member Back/H-Pipe/Hardware/80 Series™ Crossflow Muffler;

For the person who is looking for a complete crossmember-back dual exhaust system with a performance sound. This system is mandrel bent for maximum performance and includes specially selected mufflers. American Thunder 2.5 in. systems generally deliver a moderate to 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.

• Mandrel Bent 16ga 409 Stainless Tubing
• Limited Lifetime Warranty
• Aggressive And Powerful Exterior Exhaust Tone
• Incl. Hangers and Hardware For Easy Installation
• Axle Back System
• Dual Out Rear Exit
• Dyno Tuned for Maximum Performance
• Premium Flowmaster Quality
• Delta Flow Technology
• Improved HP; TQ and Engine Efficiency