{"product_id":"edge-85500-261-evolution-cts4-2020-2023-l5p-duramax-with-locksmith","title":"Edge 85500-261 Evolution CTS4 2020-2023 L5P Duramax with Locksmith","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e**Pre-Order Only: Now accepting preorders. Estimated ship date: November 3, 2026**\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade your 2020–2023 Chevy\/GMC 6.6L L5P Duramax with the Edge 85500-261 Evolution CTS4 with Locksmith.\u003c\/p\u003e\n\u003cp\u003eThis package combines in-vehicle ECM\/TCM unlocking, preloaded diesel performance calibrations, 10-speed transmission tuning, and next-generation CTS4 monitoring in one device.\u003c\/p\u003e\n\u003cp\u003eChoose from four performance levels with gains up to +125 HP \/ +275 lb-ft, while monitoring DPF activity, EGT, boost, transmission temperatures, and other supported vehicle data through customizable digital gauges.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Levels:\u003c\/strong\u003e\u003cbr\u003e- Economy: +50 HP \/ +100 lb-ft\u003cbr\u003e- Towing: +75 HP \/ +160 lb-ft\u003cbr\u003e- Performance: +90 HP \/ +180 lb-ft\u003cbr\u003e- Extreme: +125 HP \/ +275 lb-ft\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits:\u003c\/strong\u003e\u003cbr\u003e- Edge Evolution CTS4 platform\u003cbr\u003e- Includes Locksmith ECM\/TCM unlock\u003cbr\u003e- In-vehicle unlocking — no module removal required\u003cbr\u003e- 10-speed transmission tuning included\u003cbr\u003e- Up to +125 HP \/ +275 lb-ft\u003cbr\u003e- Adjustable Throttle Boost\u003cbr\u003e- Optimized transmission shift strategies\u003cbr\u003e- Manual DPF regeneration where supported\u003cbr\u003e- Monitor DPF soot level, regen activity, EGT, boost \u0026amp; temperatures\u003cbr\u003e- 26–38\" tire size calibration\u003cbr\u003e- Speedometer correction\u003cbr\u003e- Adjustable speed and rev limiters\u003cbr\u003e- Adjustable idle-up from 600–1,800 RPM\u003cbr\u003e- Allison transmission relearn\u003cbr\u003e- Remembers supported Tow\/Haul, exhaust brake \u0026amp; drive mode settings\u003cbr\u003e- Customizable digital gauges\u003cbr\u003e- Data logging and alerts\u003cbr\u003e- Read and clear supported DTCs\u003cbr\u003e- Wi-Fi updateable\u003cbr\u003e- Compatible with optional EAS sensors and cameras\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment:\u003c\/strong\u003e\u003cbr\u003e2020–2023 Chevrolet Silverado 2500HD \/ 3500HD 6.6L L5P Duramax Diesel\u003cbr\u003e2020–2023 GMC Sierra 2500HD \/ 3500HD 6.6L L5P Duramax Diesel\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003eImportant Notes:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e- A Windows PC and Edge Update Agent are required to complete the tuning process\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e- Device can unlock and tune one vehicle only\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e- Once VIN lock and ECM\/TCM unlock are completed, the device is non-returnable\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e- Vehicle can be returned to the factory calibration, but the unlock process cannot be reversed\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e- Performance gains and supported features may vary by vehicle\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Information:\u003c\/strong\u003e\u003cbr\u003eBrand: Edge Products\u003cbr\u003eProduct: Evolution CTS4 w\/ Locksmith\u003cbr\u003ePart #: 85500-261\u003cbr\u003eUPC: 850058611860\u003cbr\u003eApplication: 2020–2023 L5P Duramax\u003cbr\u003ePerformance Tunes: Yes\u003cbr\u003e10-Speed Transmission Tuning: Yes\u003cbr\u003eECM\/TCM Unlock: Yes\u003cbr\u003eWi-Fi Updates: Yes\u003cbr\u003eData Logging: Yes\u003cbr\u003eVideo Capable: Yes\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003eEmissions Notice: **NOT LEGAL FOR SALE OR USE IN CALIFORNIA**\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003eThis product is legal under the provisions of the EPA Tampering Policy dated November 23, 2020, for states accepting those provisions. California CARB testing is currently pending. If an Executive Order is issued, Edge may update the product's emissions status.\u003c\/span\u003e\u003c\/p\u003e","brand":"Edge","offers":[{"title":"Default Title","offer_id":67765519351986,"sku":"85500-261","price":959.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1892\/2185\/files\/EvolutionCTS4_20_23_L5P.png?v=1792517656","url":"https:\/\/backwoodsdiesel.com\/products\/edge-85500-261-evolution-cts4-2020-2023-l5p-duramax-with-locksmith","provider":"BackWoods Diesel","version":"1.0","type":"link"}