
2001-2007 Duramax 4" Downpipe Back Exhaust System w / Muffler (431107 / 432107)
Description
Fits
| Year | Make | Engine |
| 2001-2007 | GM |
LBZ, LLY, & LB7 6.6L Duramax |
Mel's Manufacturing Exhausts are designed to fit all wheelbase & cab configurations unless otherwise specified.
The 431107/432107 by Mel's Manufacturing is a 4" turbo-back exhaust system for the 2001-2007 Duramax Trucks. Just like all of Mel's Manufacturings Exhaust kits, it will come with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you sail through the installation process. This system will replace your restrictive OE exhaust system with a 4" high-flow exhaust system that not only sounds much better but also will improve mileage, torque, and throttle response!
Part Number: 431107/432107
Features
- 4" Turboback Single Exhaust system.
- Includes Muffler
- Aluminized Steel & Stainless Steel Options
- Single Side Exit
- Easy Install - Mounts to OE Hangers
Original: $422.74
-65%$422.74
$147.96Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Description
Fits
| Year | Make | Engine |
| 2001-2007 | GM |
LBZ, LLY, & LB7 6.6L Duramax |
Mel's Manufacturing Exhausts are designed to fit all wheelbase & cab configurations unless otherwise specified.
The 431107/432107 by Mel's Manufacturing is a 4" turbo-back exhaust system for the 2001-2007 Duramax Trucks. Just like all of Mel's Manufacturings Exhaust kits, it will come with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you sail through the installation process. This system will replace your restrictive OE exhaust system with a 4" high-flow exhaust system that not only sounds much better but also will improve mileage, torque, and throttle response!
Part Number: 431107/432107
Features
- 4" Turboback Single Exhaust system.
- Includes Muffler
- Aluminized Steel & Stainless Steel Options
- Single Side Exit
- Easy Install - Mounts to OE Hangers














