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Aggressive sound with moderate interior tone for enhanced performance.
The Flowmaster American Thunder Cat-Back Exhaust System is engineered for those seeking an aggressive exterior sound while keeping the interior noise at a moderate level. This stainless steel exhaust system features a 3-1/2 inch mandrel-bent inlet pipe that connects to the 50 Series HD performance muffler, designed with large 4 inch internals and a tuned resonance chamber to reduce interior drone.
With dual 2-1/2 inch mandrel-bent tailpipes, this system utilizes factory hanger locations for straightforward installation. The exhaust offers flexibility in tailpipe exit locations, allowing for either a side exit behind the rear tires or a straight-out exit under the rear bumper, catering to both towing needs and aesthetic preferences.
Constructed from durable stainless steel, this exhaust system is dyno-tuned for maximum performance and includes all necessary parts and hardware for a home installation. The polished 3-1/2 inch round double wall angle-cut tips add a refined finish to the overall look, enhancing the vehicle's appearance while improving exhaust flow.
Features
- Durable Stainless Steel Construction
- Dyno Tuned For Maximum Performance
- 50 Series HD Performance Muffler
- Clears The Factory Spare Tire
- Uses The Factory Hanger Locations For Easy Installation
Specifications
- Manufacturer: Flowmaster
- Manufacturer Part Number: 817602
- Type: Cat-Back
- Exhaust Type: Single
- Outlet Type: Dual
- Exit Position: Driver And Passenger Rear Or Driver And Passenger Side Behind Tire
- Material: Stainless Steel
- Includes Muffler: Yes
- Sound Level: Moderate
- Diameter (IN): 2-1/2 Inch
- Includes Exhaust Tip: Yes
- Exhaust Tip Style: 3-1/2 Inch Round Double Wall Angle-Cut
- Exhaust Tip Material: Stainless Steel
- Muffler Quantity: 1
- Includes Exhaust Pipe Muffler Delete: No
- Muffler Configuration: Single Inlet/ Dual Outlet
- Muffler Brand: 50 Series HD
- Includes Hardware: Yes
- Required Welding: Yes
- Estimated Install Time (Hours): 2
Compatibility / Fit
- 2011-2018 Chevrolet Silverado 1500
- 2019-2019 Chevrolet Silverado 1500 LD- Old Model
- 2011-2018 GMC Sierra 1500
Technical Documents
Product Videos
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
