Flowmaster 817585 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive
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Product details
| Management number | 254755022 | Release Date | 2026/11/07 | List Price | US$519.98 | Model Number | 254755022 | ||
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| Category | |||||||||
Compatible with 1967-1974 Mopar A-Body cars with V8 engine. (See applications below);<br><br>For the person who is looking for a complete Header-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.;
- Premium Quality
- Improved Horsepower, Torque and Engine Efficiency
- Delta Flow Technology
- Super 40 Sound Level
| Vehicle fitment type | Specific |
|---|---|
| Vehicle type | Car |
| Muffler type | Performance Mufflers |
| Brand | Flowmaster |
| Material | 409S |
| Inlet diameter | 2.500 in. |
| Outlet diameter | 2.5 in |
| Finish | Painted |
| Weight | 67.85 lb |
| Items included | hardware |
| Has written warranty | No |
| Count | 1 |
| Automotive parts division | Performance |
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Flowmaster Exhaust Systems
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