Description
Edge EvoHT2 — 2020-2023 GM 6.6L L5P Duramax (ECM/TCM Unlock)
The 2020-2023 EvoHT2 adds in-vehicle ECM and TCM unlocking — including 10-speed Allison transmission tuning — through the included Locksmith tool. Gains run as high as +125 HP and +275 lb-ft, with four preloaded tunes, sharper throttle response, quicker turbo spool, and improved shift quality from the trans tuning. No ECM removal, no cores, no cross-country shipping, and no extra credits or trans-tuning fees. Read and clear DTCs and recalibrate the speedometer for larger tires.
- In-vehicle ECM and TCM unlock included (Locksmith tool)
- 10-speed Allison transmission tuning for better shift quality
- Peak gains up to +125 HP and +275 lb-ft; four preloaded tunes
- Sharper throttle response and quicker turbo spool
- Read/clear DTCs, speedometer recalibration for larger tires
- One-vehicle device: unlock is permanent once completed
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