{"product_id":"sotf-tuning-package-for-2017-2026-6-6l-duramax-l5p","title":"SOTF Tuning Package for 2017-2026 6.6L Duramax L5P","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003cp\u003eL5P Duramax tuning delivers two robust tuning options for your 2017–2026 GM Silverado \u0026amp; Sierra 2500\/3500. 2017–2023 models support Switch-on-the-Fly (SOTF) tunes, letting you toggle between five distinct power levels on the move to match any driving scenario. For 2024–2026 newer trucks, our Single Calibration tunes utilize a dedicated performance map to supply steady, reliable power gains. \u003c\/p\u003e\n\u003cp\u003eBoth tuning solutions maximize your truck’s potential while preserving factory-like smooth drivability. Perfect for drivers seeking flexibility in earlier model years or a straightforward performance boost in the newest trucks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSelectable Power Levels (only for 2017-2023 SOTF): \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 99.9589%; height: 53px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 19.6914%; height: 19.5833px;\"\u003e 1\u003c\/td\u003e\n\u003ctd style=\"width: 19.6914%; height: 19.5833px;\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"width: 19.6914%; height: 19.5833px;\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"width: 19.6914%; height: 19.5833px;\"\u003e4\u003c\/td\u003e\n\u003ctd style=\"width: 20.5947%; height: 19.5833px;\"\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 19.6914%; height: 19.5833px;\"\u003e0 HP\u003c\/td\u003e\n\u003ctd style=\"width: 19.6914%; height: 19.5833px;\"\u003e50HP\u003c\/td\u003e\n\u003ctd style=\"width: 19.6914%; height: 19.5833px;\"\u003e75HP\u003c\/td\u003e\n\u003ctd style=\"width: 19.6914%; height: 19.5833px;\"\u003e100HP\u003c\/td\u003e\n\u003ctd style=\"width: 20.5947%; height: 19.5833px;\"\u003e150HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"table-container\"\u003e\n\u003cp\u003eNote: 2017-2023 4500\/5500 Cab \u0026amp; Chassis models are limited to a 60 HP tune. Contact us before ordering if you have a C\u0026amp;C truck for questions. We strongly recommend monitoring EGTs when using Levels 4 \u0026amp; 5.\u003c\/p\u003e\n\u003ch3\u003eRequired Items for Tuning\u003c\/h3\u003e\n\u003cp\u003eTo maximize your results, you'll need the following:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.spelabautoparts.com\/products\/for-gm-duramax-l5p?variant=47178193895675\" title=\"OBDii Flash Delete Tuning Interface - GM Duramax L5P\" target=\"_blank\"\u003e\u003cstrong\u003eGM Duramax L5P - OBD2 Flash Delete Tuning Interface\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.hptuners.com\/product\/gm-e42-ecm-service-l5p-global-b\/\" rel=\"noopener noreferrer\" class=\"colored-href\" target=\"_blank\"\u003e\u003cstrong\u003eAn Unlocked E41 ECM (For 2017-2023)\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eAn Unlocked E42 ECM (For 2024-2026)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eTuning credits:\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 credits\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor the year range\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2017-2023\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 credits\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor the year range\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2024-2026\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Include?\u003c\/h3\u003e\n\u003cp\u003eYour purchase provides either a 5-level tune file (2017-2023) or a single-calibration tune (2024-2026). These calibrations are for stock trucks with emissions equipment removed for off-road applications. They do not support aftermarket turbochargers, larger injectors, or major fueling changes. Please contact us before buying if your truck has upgraded hardware.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e---tab Fitment---\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"fitment__unique_code\"\u003e2017-2023 L5P GM Duramax\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"fitment__unique_code\"\u003e2017-2023 Chevrolet Silverado \/ GMC Sierra 2500\/3500 6.6L\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e---tab Shipping \u0026amp; Returns---\u003c\/p\u003e\n\u003cdiv class=\"policy-container\"\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eFast Shipping Policy\u003c\/h3\u003e\n\u003cp\u003eYour order will be dispatched within \u003cstrong\u003e1-2 business days\u003c\/strong\u003e, and the package will arrive within your order's estimated date. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/shipping-policy\"\u003eClick for Shipping Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eEasy Return Policy\u003c\/h3\u003e\n\u003cp\u003eEvery order comes with a \u003cstrong\u003e14-day free return\u003c\/strong\u003e, which means you don't have to pay for a return slip. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/refund-policy\"\u003eClick for Return Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPELAB","offers":[{"title":"Single Calibration (2024-2026)","offer_id":49168700113147,"sku":"SPJN-EP13-00004023","price":1999.99,"currency_code":"USD","in_stock":true},{"title":"Switch On The Fly (2017-2023)","offer_id":49168700702971,"sku":"SPEP13-00004WT-000-W","price":1599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/EP13-00004WT-000-W.png?v=1780567692","url":"https:\/\/www.spelabautoparts.com\/products\/sotf-tuning-package-for-2017-2026-6-6l-duramax-l5p","provider":"SPELAB","version":"1.0","type":"link"}