The MBRP 4" Installer Series Filter-Back Exhaust System S6059AL can reduce backpressure and lower EGTs in your 2020-2021 GM 6.6L Duramax L5P. This exhaust features 4" heavy-duty aluminized steel piping and fully sealed seams will increase the life of this exhaust system. Mandrel bent tubing means this exhaust system will retain a true 4” diameter no matter the length or number of bends in the system. Included with this exhaust system is a high polish 5” tip with a rolled edge for a clean look.
- 5" Polished Tip
- Filter-Back Exhaust
- 4" Mandrel Bent Tubing
- Heavy Duty Aluminized Steel Construction