{"product_id":"gm-duramax-l5p-tuning-package-2017","title":"6.6L GM Duramax L5P Tuning Package | 2017-2026 GMC\/Chevy","description":"\u003cp\u003eGM Duramax L5P Tuning Kit (2017-2026) is the tuning-only portion of our complete L5P delete solution — built for owners who already have their EGR delete hardware and exhaust sorted and just need the tuning side handled. This kit gives you everything required to unlock (where applicable), flash, and run custom SOTF or single-calibration tunes on your L5P without piecing together tuning hardware from multiple sources.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/tunerdepot.com\/products\/gm-duramax-l5p-all-in-one-dpf-def-egr-delete-kit-2017-2023\"\u003eThe L5P All-In-One kit can be found here\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease Note: \u003cem\u003e2024 to 2026 L5P ECM's must be sent to HP Tuners to be unlocked before it can be tuned (NOT INCLUDED)*\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat's Included in the L5P Tuning Kit\u003c\/h3\u003e\n\u003cdiv class=\"table-container\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItems\u003c\/th\u003e\n\u003cth colspan=\"3\"\u003eApplicable Years\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e2017-2019\u003c\/th\u003e\n\u003cth\u003e2020-2023\u003c\/th\u003e\n\u003cth\u003e2024-2026\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnlock Tool Upgrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eNot required\u003c\/td\u003e\n\u003ctd\u003eNot available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOBD2 Flash Delete Tuning Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded 4 credits\u003c\/td\u003e\n\u003ctd\u003eIncluded 4 credits\u003c\/td\u003e\n\u003ctd\u003eIncluded 8 credits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e5 Level SOTF Tune Package\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eNot available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSingle Calibration Tune\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot available\u003c\/td\u003e\n\u003ctd\u003eNot available\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eEverything included is chosen to work together: the tuning interface with the correct number of credits for your year, and the appropriate tuning package for your platform. This kit does not include EGR\/cooler delete hardware, CAN BUS plug kit, or exhaust — if you need those, check out our All-In-One Delete Kit or add the delete hardware separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e 2024-2026 L5P models require E42 service, which is not included in this kit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower gain range:\u003c\/strong\u003e varies by tune and supporting mods\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating range:\u003c\/strong\u003e designed for race use; lower EGTs when properly calibrated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cdiv class=\"table-container\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eChevrolet\u003c\/th\u003e\n\u003cth\u003eGMC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500HD \/ 3500HD\u003c\/td\u003e\n\u003ctd\u003eSierra 2500HD \/ 3500HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYear Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2017-2026\u003c\/td\u003e\n\u003ctd\u003e2017-2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGM 6.6L L5P Duramax Turbo Diesel V8\u003c\/td\u003e\n\u003ctd\u003eGM 6.6L L5P Duramax Turbo Diesel V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eYear \/ ECM Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2017-2019: E41 ECM (Unlock Tool compatible)\u003c\/li\u003e\n\u003cli\u003e2020-2023: E41 ECM (Unlock Tool supported with updated process)\u003c\/li\u003e\n\u003cli\u003e2024-2026: E42 ECM — requires E42 service (not included in kit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSelect your year set during configuration:\u003c\/strong\u003e 2017-2019, 2020-2023 or 2024-2026\u003c\/p\u003e\n\u003cdiv class=\"table-container\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDuramax L5P Tuning Kit\u003c\/th\u003e\n\u003cth\u003eModel Year\u003c\/th\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2026 Duramax L5P Tuning Kit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2026\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eE42 ECM (E42 service required)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2025 Duramax L5P Tuning Kit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2025\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eE42 ECM (E42 service required)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2024 Duramax L5P Tuning Kit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2024\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eE42 ECM (E42 service required)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023 Duramax L5P Tuning Kit\u003c\/td\u003e\n\u003ctd\u003e2023\u003c\/td\u003e\n\u003ctd\u003eE41 ECM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022 Duramax L5P Tuning Kit\u003c\/td\u003e\n\u003ctd\u003e2022\u003c\/td\u003e\n\u003ctd\u003eE41 ECM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021 L5P Tuning Kit\u003c\/td\u003e\n\u003ctd\u003e2021\u003c\/td\u003e\n\u003ctd\u003eE41 ECM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020 Duramax Tuning Kit\u003c\/td\u003e\n\u003ctd\u003e2020\u003c\/td\u003e\n\u003ctd\u003eE41 ECM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019 L5P Tuning Kit\u003c\/td\u003e\n\u003ctd\u003e2019\u003c\/td\u003e\n\u003ctd\u003eE41 ECM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018 L5P Tuning Kit\u003c\/td\u003e\n\u003ctd\u003e2018\u003c\/td\u003e\n\u003ctd\u003eE41 ECM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017 L5P Tuning Kit\u003c\/td\u003e\n\u003ctd\u003e2017\u003c\/td\u003e\n\u003ctd\u003eE41 ECM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eFitment is year and ECM-specific, which is why you select your exact model range when ordering. 2017-2019 trucks use the E41 ECM and are fully compatible with the Unlock Tool process. 2020-2023 Duramax L5P trucks still run E41 hardware with an updated unlock procedure. 2024-2026 trucks use the newer ECM platform and require external unlock service before tuning.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCustomization Steps\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear Selection:\u003c\/strong\u003e 2017-2019, 2020-2023, or 2024-2026 GM Sierra\/Silverado 2500\/3500 L5P Duramax.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"table-container\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eTraditional ECU Swap (E41 ECM)\u003c\/th\u003e\n\u003cth\u003eOBD 2 Tuning Interface\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplex installation process\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplace ECM required\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo (for 2017-2023)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIMMO \/ crank relearn required\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore charge\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImproved combustion temps\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGains with powerful tune flashes\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-the-fly power level change\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e2017-2023 only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded SOTF levels\u003c\/td\u003e\n\u003ctd\u003e0 \/ 50 \/ 75 \/ 100 \/ 150 HP\u003c\/td\u003e\n\u003ctd\u003e2017-2023 only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e 2024-2026 Duramax tunes are single calibration only and require separate E42 service. No SOTF options available.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-tune requirement:\u003c\/strong\u003e Always flash the calibration before making any hardware changes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnlock Tool Upgrade:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e2017-2023: Unlock Tool Upgrade included (No ECM replacement, immobilizer, or crank relearn)\u003c\/li\u003e\n\u003cli\u003e2024-2026: HP Tuners unlock service required (ECM's must be sent to HP Tuners to be unlocked before it can be tuned, service not included with this product)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOBD2 Flash Delete Tuning Interface:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e4 credits for 2017-2023\u003c\/li\u003e\n\u003cli\u003e8 credits for 2024-2026\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Level SOTF tuning package (2017-2023 only):\u003c\/strong\u003e 0HP \/ 50HP \/ 75HP \/ 100HP \/ 150HP Switch On The Fly\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2024-2026 variant is a single calibration tune (no SOTF)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower \u0026amp; torque:\u003c\/strong\u003e Optimized fueling delivers instant gains, especially when paired with supporting exhaust and delete mods\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivability:\u003c\/strong\u003e Smooth shifts and stronger mid-range with custom tunes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplicity:\u003c\/strong\u003e Unlock Tool Upgrade avoids ECM swaps and relearn steps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexibility:\u003c\/strong\u003e Pairs with EGR delete hardware and exhaust you already have or are sourcing separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eShipping \u0026amp; Tuning Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLead times depend on year and configuration. 2024-2026 kits may require additional prep due to E42 service requirements.\u003c\/li\u003e\n\u003cli\u003eReview the installation instructions before beginning.\u003c\/li\u003e\n\u003cli\u003eTuning and hardware setup are detailed processes. We appreciate your patience during order preparation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eOptional Add-Ons\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca class=\"colored-href\" rel=\"noopener noreferrer\" href=\"https:\/\/tunerdepot.com\/products\/gm-duramax-l5p-tcm-tuning-upgrade-kit-2017-2023\" target=\"_blank\"\u003e\u003cstrong\u003eDiscover the TCM Tuning Upgrade Kit:\u003c\/strong\u003e\u003c\/a\u003e Improve shift strategy and drivability.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca class=\"colored-href\" rel=\"noopener noreferrer\" href=\"https:\/\/tunerdepot.com\/products\/gm-duramax-l5p-3-5-inch-down-pipe-2017-2023\" target=\"_blank\"\u003e\u003cstrong\u003eGM Duramax L5P 3.5' Down-Pipe\u003c\/strong\u003e\u003c\/a\u003e Helps maximize results by removing the DOC after the turbo.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tuner Depot","offers":[{"title":"2017 - 2019","offer_id":44875291295837,"sku":"L5P-TUNE-17-BUN","price":2311.99,"currency_code":"USD","in_stock":true},{"title":"2020 - 2023","offer_id":44875291328605,"sku":"L5P-TUNE-20-BUN","price":2061.99,"currency_code":"USD","in_stock":true},{"title":"2024-2026","offer_id":44875291361373,"sku":"L5P-TUNE-24-BUN","price":2617.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/1131\/9389\/files\/GM_Duramax_L5P_Tuning_Package_2017-2026_-_2017-2019.png?v=1786139702","url":"https:\/\/tunerdepot.com\/products\/gm-duramax-l5p-tuning-package-2017","provider":"Tuner Depot","version":"1.0","type":"link"}