817390 Flowmaster American Thunder Header Back Exhaust System
817390 Flowmaster American Thunder Header Back Exhaust System 817390
American Thunder Header Back Exhaust System - Dual - Dual Rear Exit - Incl. 2.5 in. Tubing - Super 40 Series™ Mufflers - Dual Straight Tailpipes - 409 Stainless Steel
Allow 5-7 Days Lead Time
- Mandrel Bent Stainless Steel Tubing
- Limited Lifetime Warranty
- Moderate Exterior Exhaust Tone
- Incl. Hangers and Hardware For Easy Installation
- Header Back System
- Dual Out Rear Exit
- Dyno Tuned for Maximum Performance
- Premium Flowmaster Quality
- Patented Delta Flow Technology
- American Thunder Header Back Exhaust System
- Dual Rear Exit
- Incl. 2.5 in. Tubing
- Super 40 Series™ Mufflers
- Dual Straight Tailpipes
- 409 Stainless Steel
- Automotive Item Grade: High Performance
- Exhaust Pipe Wall Max Gauge: 16
- Exhaust Series: American Thunder
- Exhaust Type: Dual
- Exit Position: Dual Rear
- Exit Style: Straight
- Heat Shield Attached: No
- Inlet Diameter: 2.500 in.
- Inlet Inside Diameter: 2.500 in.
- Material: Stainless Steel
- Mount Type: Uses New Hangers (Included)
- Muffler Count: 2
- Muffler Series: Super 40 Series
- Outlet Diameter: 2.500 in.
- Outlet Outside Diameter: 2.500 in.
- Single or Dual: Dual
- Sound Level: Moderate/Aggressive
- System Type: Header Back
- Tail Pipe Diameter: 2.500 in.
- Tip Diameter (in.): 2.5
- Tip Shape: Round
- Tip Type: Straight Cut
- Tubing Diameter: 2.500 in.
50 State Legal / California Emissions Compliant
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.
American Thunder Header Back Exhaust System