MBRP 4" Performance Series Downpipe Back Exhaust System 15.5-16 6.6L Duramax LML
- 4" Aluminized Steel Tubing
- High Flow Performance Muffler
- 1 Year Warranty
- Installation of this exhaust system must be used in conjunction with a tuner/programmer specifically designed for preventing trouble codes that would otherwise come from running a competition (turbo back) type of exhaust system.
- This kit is only intended for fitment on 2015.5 through 2016 models. This system will not fit 2011 through early 2015models that feature a v-band flange at the base of the turbo direct pipe, only a three bolt flange is intended for fitment. If you have a 2015 model year, please verify
- For OFF ROAD/RACE USE ONLY