{"product_id":"density-speed-performance-custom-ecm-tuning-hp-tuners-2024-2026-duramax-l5p","title":"Density Speed and Performance - HP Tuners Custom Tuning - 2024-2026 L5P Duramax","description":"\u003cp\u003eCustom Tuning built for your 24+ L5P Duramax to suit your build, loaded via HP Tuners.\u003c\/p\u003e \u003ch3\u003e\u003cem\u003e\u003cstrong\u003eECU Unlock is Required.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/h3\u003e \u003cp\u003e\u003cem\u003e\u003cstrong\u003eIn order to start tuning, your truck requires this one-time, send-in upgrade service to upgrade the E42 ECM for custom tuning using our VCM Suite software.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e \u003cp\u003e\u003cem\u003e\u003cstrong\u003eSpare ECMs will NOT BE ACCEPTED, no exceptions. Only the original ECM from your vehicle is acceptable for this service.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e \u003cp\u003eThis means your E42 ECM must be removed from your truck and shipped to HP Tuners’ headquarters for servicing. This process takes up to 7 business days to complete (not including shipping\u003c\/p\u003e \u003ch4\u003e\u003cstrong\u003eTCM Tuning Add-On\u003c\/strong\u003e\u003c\/h4\u003e \u003cp\u003eRevised shift schedule to improve drive-ability\u003c\/p\u003e \u003cp\u003eImproved shift timing\u003c\/p\u003e \u003cp\u003eRe-designed torque converter lock-up strategy\u003c\/p\u003e \u003cp\u003eAllows power transfer from the engine to the wheels more directly via TCC lock-up\u003c\/p\u003e","brand":"Density Speed and Performance","offers":[{"title":"Single tune file \/ Stock to 30% over \/ I already have credits \/ MPVI licensed to this truck","offer_id":67786042212602,"sku":"DSP-GM-HPT-24","price":1100.0,"currency_code":"USD","in_stock":true},{"title":"Single tune file \/ Stock to 30% over \/ ECM credits (x8)","offer_id":67786042245370,"sku":"DSP-GM-HPT-24-C8","price":1500.0,"currency_code":"USD","in_stock":true},{"title":"Single tune file \/ Stock to 30% over \/ ECM + TCM credits 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