Description
MBRP Aluminized Steel 4 Inch Down Pipe Back exhaust kit with muffler. Note: Box says for 01-07 Duramax, however exhaust will fit 07-10 LMM Duramax trucks. There will be a hanger at the the transmission that will not line up, but is no longer needed due to weight reduction with removing the DPF. This kit fits all cab configurations and box sizes by cutting one of the pieces to size for your wheelbase.
- Can improve fuel economy by 1-2 mpg
- Increases Horsepower
- Increases Torque
- Complete Down Pipe Back System
- 4″ Mandrel bent tubing for maximum flow
- OE Style Hangers For Easy Installation