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Browse the wide selection of products we have available for your 2017+ Duramax L5P.
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L5P Tuning and selections are now available! We VERY strongly recommend that you purchase TCM Tuning alongside this package.
We currently have limited stock of our HP Tuner modified L5P E41 ECMs. This will cause any orders with this option to be delayed. Emissions Compliant tuning only.
TCM Tuning is STRONGLY recommended by our calibrators to accompany your L5P ECM Tuning.
The turbo upgrade is available for PPEI users who wish to make their current tune compatible with an aftermarket turbo.
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