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PPEI L5P TCM Tuning by Kory Willis | 2017+ Chevy/GMC Duramax L5P 6.6L
- Tuned by Kory Willis
- TCM tuning STRONGLY recommended to accompany your L5P ECM tuning
- A modified T87A TCM is required for flashing.
L5P TCM Tuning by Kory Willis and PPEI for your 2017+ Chevy/GMC Duramax L5P 6.6L diesel is now available and STRONGLY recommended by PPEI's calibrators to accompany L5P ECM tuning. A modified T87A TCM is required for flashing. Purchasing a TCM from us will require a fully refundable Core Charge ($200). 4 Credits are required to be available on the MPVI2 you will be using to flash the TCM.
WARNING! THIS PRODUCT IS FOR COMPETITION USE ONLY. ALL OTHER USES ARE CONTRARY TO FEDERAL LAW. IF YOU INTEND THIS PRODUCT FOR HIGHWAY OR NON-COMPETITION OFF-ROAD PURPOSES DO NOT PURCHASE OR INSTALL THIS PRODUCT. READ FULL OFF-ROAD WAIVER.
HP Tuners L5P Support Update
- PPEI Custom Tuning
- Chevy/GMC Duramax Parts - 2017-2018 Chevy/GMC Duramax L5P 6.6L Parts - Competition Tuners | 2017-2018 Chevy/GMC Duramax L5P 6.6L
- Shop By Vehicle - Chips, Modules, & Tuners | Street & Competition - Competition Tuners
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