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Enhance performance and sound with Flowmaster's Cat-Back system.
The Flowmaster Exhaust System Kit is designed for 2020-2026 GM 2500HD and 3500HD trucks equipped with 6.6L gas engines. This Cat-Back system features a 3-1/2 inch mandrel bent 16-gauge 409 stainless steel tubing that maximizes exhaust flow while ensuring durability. The system includes a Flow FX series muffler that provides a deep, aggressive to moderate performance tone without interior drone, enhancing the driving experience.
This exhaust system is compatible with both 2 and 4 wheel drive models, making it a versatile choice for truck owners. The installation is straightforward, connecting to the factory tailpipe and requiring approximately two hours for setup. With maximum dyno gains of 11 horsepower and 10 pounds-feet of torque at the rear wheels, this system significantly improves acceleration and towing capabilities.
Included in the kit are all necessary hardware, clamps, and hangers for a complete installation. The exhaust tip is a 5 inch round angle-cut design made from stainless steel, adding a stylish finish to the vehicle. This performance exhaust system is an effective upgrade for those looking to enhance their truck's performance and sound.
Features
- 3-1/2 Inch Mandrel Bent 16-Gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow And Improves Durability
- A Tuned Flow FX Style Muffler Delivers A Deep, Aggressive To Moderate Performance Tone And Improves Exhaust Flow With No Drone
- Max Increases Of Up To 11 Horsepower And 10 Pounds Per Feet Over The Stock Exhaust At The Wheels
- Tuned Performance Muffler Eliminates Interior Drone
Specifications
- Manufacturer: Flowmaster
- Manufacturer Part Number: 717927
- Type: Cat-Back
- Exhaust Type: Single
- Outlet Type: Single
- Exit Position: Passenger Side Behind Tire
- Material: Stainless Steel
- Includes Muffler: Yes
- Sound Level: Aggressive/ Moderate
- Diameter (IN): 3-1/2 Inch
- Includes Exhaust Tip: Yes
- Exhaust Tip Style: 5 Inch Round Angle-Cut
- Exhaust Tip Material: Stainless Steel
- Muffler Quantity: 1
- Includes Exhaust Pipe Muffler Delete: No
- Muffler Configuration: Single Inlet/ Single Outlet
- Muffler Brand: FlowFX
- Includes Hardware: Yes
- Estimated Install Time (Hours): 2
Compatibility / Fit
- 2020-2026 Chevrolet Silverado 2500 HD
- 2020-2026 Chevrolet Silverado 3500 HD
- 2020-2026 GMC Sierra 2500 HD
- 2020-2026 GMC Sierra 3500 HD
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.
