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Enhance performance and sound with this stainless steel exhaust kit.
The Flowmaster American Thunder Cat-Back Exhaust System is engineered to improve power, torque, and throttle response while delivering an aggressive sound. Constructed from high-quality 409 stainless steel, this exhaust system features a 2-1/2 inch pipe diameter and a dual exhaust design with a split rear exit. The Super 40 Series performance muffler utilizes Delta Flow technology to provide a distinctive tone that appeals to muscle car and truck enthusiasts alike.
This exhaust system is designed for easy installation, ensuring a custom fit that requires welding. The kit includes a single inlet and dual outlet muffler, along with a 3-1/2 inch round angle-cut stainless steel tip for a polished finish. With its aggressive exterior sound and moderate interior tone, the American Thunder system transforms the driving experience without compromising comfort.
Flowmaster's commitment to quality is evident in the all-stainless steel construction, which ensures durability and longevity. This exhaust system not only enhances the vehicle's performance but also adds a distinctive aesthetic appeal. The American Thunder series is the most authentic Flowmaster sound available, making it a preferred choice for those seeking to elevate their vehicle's exhaust system.
Features
- All Stainless Steel Construction
- Aggressive Exterior With Moderate Interior Tone
- Super 40 Series Performance Muffler
- Delta Flow Technology
- Custom Fit For Easy Installation
Specifications
- Manufacturer: Flowmaster
- Manufacturer Part Number: 817669
- Type: Cat-Back
- Exhaust Type: Dual
- Outlet Type: Dual
- Exit Position: Driver And Passenger Rear Or Driver And Passenger Side Behind Tire
- Material: Stainless Steel
- Includes Muffler: Yes
- Sound Level: Aggressive/ Moderate
- Diameter (IN): 2-1/2 Inch
- Includes Exhaust Tip: Yes
- Exhaust Tip Style: 3-1/2 Inch Round Angle-Cut
- Exhaust Tip Material: Stainless Steel
- Muffler Quantity: 1
- Includes Exhaust Pipe Muffler Delete: No
- Muffler Configuration: Single Inlet/ Dual Outlet
- Muffler Brand: Super 40 Series
- Includes Hardware: Yes
- Required Welding: Yes
- Estimated Install Time (Hours): 2
Compatibility / Fit
- 2014-2018 Chevrolet Silverado 1500
- 2019-2019 Chevrolet Silverado 1500 LD- Old Model
- 2014-2018 GMC Sierra 1500
- 2019-2019 GMC Sierra 1500 Limited- Old Model
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.
