The Story
Description
Fits
| Year | Make | Model | Engine |
| 2020-2025 |
GM | 2500/3500 | L5P w/ 6.6L Duramax & 4-Bolt Flange |
Flo-Pro Exhausts are designed to fit all wheelbase & cab configurations unless otherwise specified.
The 431028 / 432028 is a 4" Downpipe Back Exhaust System by Flo-Pro for the 2020-2023 L5P Duramax. It's the perfect kit if you're looking to remove your stock components and replace them with high-performance & high-flow 4" piping from your downpipe back! Just like all of Flo-Pro Manufacturings Exhaust kits, it will come with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you cruise through the installation process. You'll notice fuel mileage improvement, increased torque, and you'll have a much better sounding 6.6L!
Features
- 4" Downpipe-Back Exhaust System
- OEM Style 4-Bolt Flange
- No Muffler - Straight Pipe
- No Bungs
- Increased Torque & Fuel Mileage
- Aluminized or Stainless Steel
- Easy Installation
Notes
-
These kits will only fit models equipped with the OEM style 4-bolt flange off the turbo direct pipe!
Description
Description
Fits
| Year | Make | Model | Engine |
| 2020-2025 |
GM | 2500/3500 | L5P w/ 6.6L Duramax & 4-Bolt Flange |
Flo-Pro Exhausts are designed to fit all wheelbase & cab configurations unless otherwise specified.
The 431028 / 432028 is a 4" Downpipe Back Exhaust System by Flo-Pro for the 2020-2023 L5P Duramax. It's the perfect kit if you're looking to remove your stock components and replace them with high-performance & high-flow 4" piping from your downpipe back! Just like all of Flo-Pro Manufacturings Exhaust kits, it will come with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you cruise through the installation process. You'll notice fuel mileage improvement, increased torque, and you'll have a much better sounding 6.6L!
Features
- 4" Downpipe-Back Exhaust System
- OEM Style 4-Bolt Flange
- No Muffler - Straight Pipe
- No Bungs
- Increased Torque & Fuel Mileage
- Aluminized or Stainless Steel
- Easy Installation
Notes
-
These kits will only fit models equipped with the OEM style 4-bolt flange off the turbo direct pipe!
