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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
RaceBuilt for emissions-deleted trucks looking to unleash power at the track
Take your L5P airflow to the next level with the WCFab 4" Stage 2 Intake Kit
• Reduces turbo lag
This is full support pack
2017–2025 Duramax 6
2017-2023 L5P Unlocked E41 ECM ECM TYPE SERVICE:New ECM - Programmed & Unlocked RaceBuilt for emissions-deleted trucks lookingE41 ECM Unlock, Programming, & Tuning Services Whether you need a blank unlocked ECM, a replacement ECM programmed to your vehicle, or a complete plug and play tuned ECM, we have an option to fit your needs. ECM Options New, Blank ECM, Unlocked Only Brand new E41 ECM Unlocked and ready for programming Not programmed to any vehicle No tuning included New ECM, Programmed & Unlocked Brand new E41 ECM Programmed to your vehicle's VIN and factory