{"product_id":"2017-2023-l5p-6-6l-duramax-custom-engine-tuning-hp-tuners","title":"2017-2023 L5P 6.6L DURAMAX CUSTOM ENGINE TUNING (HP TUNERS)","description":"\u003cp\u003eNO HP TUNERS DEVICE INCLUDED!!!!! SOLD SEPARATELY \u003c\/p\u003e\n\u003cp\u003eYOU WILL NEED A E41 ECM UNLOCK IN ORDER TO FLASH YOUR TRUCK WITH HP TUNERS MPVI3 IF IT HAS NOT BEEN PREVIOUSLY UNLOCKED AND TUNED. \u003c\/p\u003e\n\u003cp\u003eIf you want life time support and free retunes be sure to option it! Lifetime support automatically gets you SOTF \u0026amp; SINGLE OPTIONS!\u003c\/p\u003e\n\u003cp\u003eHPTUNERS SOLD SEPARATELY!\u003c\/p\u003e\n\u003cp\u003e0-220 HP LEVELS ON STOCK FUEL AND TURBO \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e4 week support will only get you base SOTF or Single files \u003c\/p\u003e\n\u003cp\u003e**special functions such as hiss, lope, rumble, hard cut limiters, Low boost fueling, aggressive timing are included in lifetime support only**\u003c\/p\u003e\n\u003cp\u003e** \u003cspan\u003eBig turbo, mod VGT, non VGT, big fuel injectors, major modifications, non stock engine will only be supported with lifetime support**\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIf you have questions please feel free to contact us \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eCab and Chassis and Fleet sides are supported \u003c\/p\u003e\n\u003cp\u003eThis product is not for Kodiak\/International L5D trucks.\u003c\/p\u003e\n\u003cp\u003eCan-Bus plugs are still required.\u003c\/p\u003e\n\u003cp\u003eWe will be sharing a dash message reset file that has instructions for it's use if you have a dash message after tuning.\u003c\/p\u003e\n\u003cp\u003eModifications such as: FASS, CP3, different turbo options will need to be built per truck, so email us if your truck fits one of these situations\u003c\/p\u003e\n\u003cp\u003eYou will receive a follow up email message after placing order to fulfill your vehicles needs. \u003c\/p\u003e\n\u003cp\u003eWILL REQUIRE 8 UNIVERSAL CREDITS IF YOU HAVE NOT PURCHASED THEM YET TO FLASH YOUR TRUCK! \u003c\/p\u003e\n\u003cp\u003eYou will receive a email shortly after purchase\u003c\/p\u003e\n\u003cp\u003e0 - 220HP POWER LEVELS \u003c\/p\u003e","brand":"H2 Supply Co","offers":[{"title":"SOTF \/ YES I NEED TO UNLOCK MY E41 ECM \/ Standard 4 Weeks","offer_id":48264883765502,"sku":null,"price":1205.0,"currency_code":"USD","in_stock":true},{"title":"SOTF \/ NO MY ECM IS ALREADY UNLOCKED \/ Standard 4 Weeks","offer_id":48264883798270,"sku":null,"price":890.0,"currency_code":"USD","in_stock":true},{"title":"SINGLE \/ YES I NEED TO UNLOCK MY E41 ECM \/ Standard 4 Weeks","offer_id":48264883831038,"sku":null,"price":1035.0,"currency_code":"USD","in_stock":true},{"title":"SINGLE \/ NO MY ECM IS ALREADY UNLOCKED \/ Standard 4 Weeks","offer_id":48264883863806,"sku":null,"price":720.0,"currency_code":"USD","in_stock":true},{"title":"SOTF \/ YES I NEED TO UNLOCK MY E41 ECM \/ Lifetime","offer_id":48264883896574,"sku":null,"price":1475.0,"currency_code":"USD","in_stock":true},{"title":"SOTF \/ NO MY ECM IS ALREADY UNLOCKED \/ Lifetime","offer_id":48264883929342,"sku":null,"price":1160.0,"currency_code":"USD","in_stock":true},{"title":"SINGLE \/ YES I NEED TO UNLOCK MY E41 ECM \/ Lifetime","offer_id":48264883962110,"sku":null,"price":1385.0,"currency_code":"USD","in_stock":true},{"title":"SINGLE \/ NO MY ECM IS ALREADY UNLOCKED \/ Lifetime","offer_id":48264883994878,"sku":null,"price":1070.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8008\/2942\/files\/Screenshot2026-05-20143501_c6b0ada1-0569-4017-bb06-947fb5d226da.png?v=1779840062","url":"https:\/\/h2supplyco.com\/products\/2017-2023-l5p-6-6l-duramax-custom-engine-tuning-hp-tuners","provider":"H2 Supply CO","version":"1.0","type":"link"}