



2017-2023 Duramax 4" SS CAT & DPF Race Pipe - w/ Muffler (DDC-3GM17M)
Description
Fits
| Year | Make | Model |
| 2017-2023 | GM | Duramax L5P 6.6L w/ 4-Bolt Flange |
Note: Fits Crew Cab Short Box trucks directly; other configurations may require modification. Only fits models equipped with the OEM-style 4-bolt turbo direct pipe flange. Custom aftermarket tuning is required. Designed for competition/race use only.
When you buy from Dirty Diesel, you’re buying peace of mind. We’ve put in the work to bring you exhaust systems that meet our strict standards for durability and flow. Every kit is vetted for a precision, bolt-on fit, ensuring you get a high-performance system that sounds as good as it performs, without the headache of poor fitment or subpar materials.
Features
- 4" High-Flow CAT & DPF Race Pipe
- T409 Stainless Steel Construction
- Includes Muffler for Refined Sound Control
- OEM-Style 4-Bolt Flange for Secure Sealing
- No Sensor Bungs Required
- Boosts Torque & Fuel Mileage
- Easy, Straightforward Installation
Includes
- 4" CAT & DPF Race Pipe
- Muffler
Original: $411.77
-65%$411.77
$144.12Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Description
Fits
| Year | Make | Model |
| 2017-2023 | GM | Duramax L5P 6.6L w/ 4-Bolt Flange |
Note: Fits Crew Cab Short Box trucks directly; other configurations may require modification. Only fits models equipped with the OEM-style 4-bolt turbo direct pipe flange. Custom aftermarket tuning is required. Designed for competition/race use only.
When you buy from Dirty Diesel, you’re buying peace of mind. We’ve put in the work to bring you exhaust systems that meet our strict standards for durability and flow. Every kit is vetted for a precision, bolt-on fit, ensuring you get a high-performance system that sounds as good as it performs, without the headache of poor fitment or subpar materials.
Features
- 4" High-Flow CAT & DPF Race Pipe
- T409 Stainless Steel Construction
- Includes Muffler for Refined Sound Control
- OEM-Style 4-Bolt Flange for Secure Sealing
- No Sensor Bungs Required
- Boosts Torque & Fuel Mileage
- Easy, Straightforward Installation
Includes
- 4" CAT & DPF Race Pipe
- Muffler



















