4" Downpipe Back Single Aluminized with Muffler|2020-2022 GM 2500/3500 6.6L Duramax L5P
Details
These exhaust systems are available in a 16 gauge aluminized steel or T409 Stainless. FLO~PRO has made the necessary changes to ensure easy installation as all our exhaust kits come with necessary clamps, preweld contour bent hangers, and stronger flanges. With this exhaust system you can expect increased performance, lower EGTs and improved flow. Allow your truck to breath with this FLO~PRO exhaust system. FLO~PRO, horsepower you can hear!
Features:
- Ease of installation
- Contour Bent Hangers
- TorcTite Clamps
- OEM Style 4 Bolt Flange
- No Bungs
- Fits Cab/Box Configurations: EC-CC/SB-LB-Dually
* IMPORTANT NOTE: These kits will only fit models equipped with the OEM style 4-bolt flange off the turbo direct pipe!
Fitments
- 2020 Chevrolet Silverado 2500 HD 6.6L DIESEL
- 2020 Chevrolet Silverado 3500 HD 6.6L DIESEL
- 2020 GMC Sierra 2500 HD 6.6L DIESEL
- 2020 GMC Sierra 3500 HD 6.6L DIESEL
- 2021 Chevrolet Silverado 2500 HD 6.6L DIESEL
- 2021 Chevrolet Silverado 3500 HD 6.6L DIESEL
- 2021 GMC Sierra 2500 HD 6.6L DIESEL
- 2021 GMC Sierra 3500 HD 6.6L DIESEL
- 2022 Chevrolet Silverado 2500 HD 6.6L DIESEL
- 2022 Chevrolet Silverado 3500 HD 6.6L DIESEL
- 2022 GMC Sierra 2500 HD 6.6L DIESEL
- 2022 GMC Sierra 3500 HD 6.6L DIESEL