Enhance Performance with 2.8L Duramax LWN Emissions Off Tune
- Revised shift schedules to improve drivability
- Revised shift points to keep the engine in boost
- Improved shifts
- Revised torque converter lock-up parameters
- Adjusted transmission line pressure to ensure proper pressure is being applied for the revised engine performance
- Firmer shifts for better transmission longevity
This listing is for the tune file, you also need an MPVI3, unlocked TCM, and 4 credits in order to use this to tune your L5P. If you need credits, you can purchase them through us, we will just need your MVIx's serial number.
Credits can be purchased here.