{"product_id":"full-egr-delete-kit-gm-chevy-duramax-3-0l-lm2-2020-2022","title":"Full DEF Delete Kit | GM\/Chevy Duramax LM2 3.0L | 2020-2022","description":"\u003ch2\u003e2020-2022 3.0 Duramax DEF Delete Kit | Improve Reliability\u003c\/h2\u003e\n\n\u003cp\u003eThe 2020, 2021, 2022 3.0 Duramax DEF delete kit is an All-in-One bundle designed for Chevrolet Silverado 1500 and GMC Sierra 1500 trucks equipped with the 3.0L LM2 diesel engine. The complete package combines OBD2 tuning, ECM enhancement and unlock, EGR removal components, and a 3-inch stainless steel turbo-back exhaust system that replaces the factory CAT and DPF section. It is engineered as one coordinated solution for off-road and competition applications rather than requiring the owner to source the tuner, pipe, tune, and supporting parts separately.\u003c\/p\u003e\n\n\u003cp\u003eThe product removes the applicable DPF, DEF, and EGR emission hardware and recalibrates the ECU so the engine can operate with those systems removed. Once correctly installed, the calibration eliminates factory regeneration strategies and related DEF operation while the freer-flowing exhaust reduces restriction. The upgrade can improve throttle response and provide more consistent engine operation, although actual efficiency and long-term results depend on vehicle condition, maintenance, load, and use.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose This Kit\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete LM2-Specific Package\u003c\/strong\u003e - tuning, ECM unlock, EGR hardware, exhaust, and electronic integration components are supplied as one solution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVehicle-Specific Calibration\u003c\/strong\u003e - developed for the 2020-2022 3.0L Duramax LM2 rather than a generic diesel tune.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Confirmed Power Options\u003c\/strong\u003e - choose Stock Optimized (+0 HP) or Tow (+20 HP).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3″ Stainless Turbo-Back Exhaust\u003c\/strong\u003e - replaces the restrictive factory CAT and DPF section and improves exhaust flow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched Electronic Hardware\u003c\/strong\u003e - the OBD2 interface, tuning credits, E46 unlock, and CAN BUS components are designed to work together.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eDetail\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMake\u003c\/td\u003e\n      \u003ctd\u003eChevrolet \/ GMC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModels\u003c\/td\u003e\n      \u003ctd\u003eSilverado 1500 \/ Sierra 1500\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEngine\u003c\/td\u003e\n      \u003ctd\u003e3.0L Duramax LM2\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModel Years\u003c\/td\u003e\n      \u003ctd\u003e2020-2022\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBody Style\u003c\/td\u003e\n      \u003ctd\u003ePickup Truck\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eECM\u003c\/td\u003e\n      \u003ctd\u003eE46\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eECM Unlock\u003c\/td\u003e\n      \u003ctd\u003eRequired\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eImportant Restriction\u003c\/td\u003e\n      \u003ctd\u003eNot compatible with late-2022 E66 \/ Global B trucks\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eThe exact model year alone is not enough to confirm fit. Late-production 2022 GM trucks equipped with the E66 \/ Global B controller require a different tuning solution and are not compatible with this E46 package.\u003c\/p\u003e\n\n\u003ch2\u003eKit Components\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eOBD2 Programming Interface\u003c\/strong\u003e - connects through the truck’s diagnostic port and provides the hardware required to license and flash the supported ECM after the unlock process.\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003e6 Tuning Credits\u003c\/strong\u003e - provide the required software licensing for the supported tuning and programming process.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eE46 ECM Enhancement \u0026amp; Unlock Service\u003c\/strong\u003e - mandatory for this configuration. The original ECM must be removed from the truck and shipped to the shop for professional enhancement and unlock before custom tuning can be installed.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCustom Tune\u003c\/strong\u003e - changes the factory control strategies for the removed emissions equipment and provides the selected power level.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3″ CAT \u0026amp; DPF Delete Turbo-Back Exhaust\u003c\/strong\u003e - stainless steel exhaust hardware that replaces the applicable factory catalyst and particulate-filter section, reducing backpressure and creating a freer exhaust path.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull EGR Delete Kit\u003c\/strong\u003e - removes the applicable EGR valve and cooler assembly to stop exhaust-gas recirculation after the matching calibration is installed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCAN BUS Plugs\u003c\/strong\u003e - maintain the required electronic integration with the vehicle after the emissions hardware has been removed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClamps \u0026amp; Installation Hardware\u003c\/strong\u003e - secure the exhaust and related components during installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstructions \u0026amp; Technical Support\u003c\/strong\u003e - cover ECM shipping, tuner setup, file delivery, installation, and programming.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTuning \u0026amp; Performance\u003c\/h2\u003e\n\n\u003cp\u003eThe DEF delete for 3.0 Duramax requires the mechanical hardware and tuning to work as one system. Removing the DPF, DEF, and EGR equipment changes both exhaust flow and the feedback expected by the ECU, so the E46 controller must first be unlocked and then programmed with the correct calibration.\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTune Level\u003c\/th\u003e\n      \u003cth\u003ePower Increase\u003c\/th\u003e\n      \u003cth\u003eRecommended For\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eStock Optimized\u003c\/td\u003e\n      \u003ctd\u003e+0 HP\u003c\/td\u003e\n      \u003ctd\u003eFactory-like power with optimized operation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTow\u003c\/td\u003e\n      \u003ctd\u003e+20 HP\u003c\/td\u003e\n      \u003ctd\u003eMild additional power for a controlled setup\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eAfter installation, the truck no longer performs normal DPF regeneration or DEF-related functions associated with the removed hardware. The +20 HP tune provides a moderate power increase rather than an aggressive performance calibration. Fuel economy may improve in some conditions, but no specific MPG result is guaranteed.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\n\u003cp\u003eThe 2020-2022 3.0 Duramax DEF delete kit requires mechanical exhaust work, EGR removal, ECM removal, professional unlock, and electronic programming. A skilled installer will need standard metric hand tools, exhaust tools, safe lifting equipment, a stable battery charger, and a compatible computer for the tuning software.\u003c\/p\u003e\n\n\u003cp\u003eThe typical installation sequence is:\u003c\/p\u003e\n\n\u003col\u003e\n  \u003cli\u003eConfirm the VIN, LM2 engine, and E46 ECM.\u003c\/li\u003e\n  \u003cli\u003eRemove the original ECM.\u003c\/li\u003e\n  \u003cli\u003eShip it for the required enhancement and unlock.\u003c\/li\u003e\n  \u003cli\u003eReinstall the unlocked ECM.\u003c\/li\u003e\n  \u003cli\u003eInstall the 3″ turbo-back exhaust.\u003c\/li\u003e\n  \u003cli\u003eRemove the EGR valve and cooler using the supplied parts.\u003c\/li\u003e\n  \u003cli\u003eInstall the required CAN BUS plugs.\u003c\/li\u003e\n  \u003cli\u003eConnect the OBD2 tuner.\u003c\/li\u003e\n  \u003cli\u003eApply the required credits and load the selected tune.\u003c\/li\u003e\n  \u003cli\u003eVerify normal engine operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eProfessional installation is recommended. Incorrect programming, unstable voltage, or using the wrong controller configuration can prevent successful flashing.\u003c\/p\u003e\n\n\u003ch2\u003eOrdering Information\u003c\/h2\u003e\n\n\u003cp\u003eBefore ordering, verify that the truck is a 2020, 2021, or supported 2022 Silverado 1500 or Sierra 1500 with the LM2 engine and E46 ECM. Do not order this version for a late-2022 E66 \/ Global B truck.\u003c\/p\u003e\n\n\u003cp\u003eCustom tuning and programmed electronics require vehicle-specific processing. Tuners generally require approximately 3-4 business days, exhaust products approximately 5-6 business days, and EGR components about 5 business days. Parts may ship from more than one source and can arrive separately.\u003c\/p\u003e\n\n\u003cp\u003eCustom tuning files, completed unlock services, programmed electronics, and other customer-specific products may be non-returnable once processing begins. Modification of factory emissions equipment may also void applicable vehicle warranty coverage. Check the product terms, local laws, and vehicle configuration before purchase.\u003c\/p\u003e","brand":"DEF Delete Shop","offers":[{"title":"Stock Optimized (+0HP)","offer_id":42754521038896,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true},{"title":"Tow (+20HP)","offer_id":43035756888112,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true},{"title":"Street (+40HP)","offer_id":43035756920880,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true},{"title":"All Tune Levels","offer_id":43035756953648,"sku":null,"price":3799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/9019\/5504\/files\/14916.png?v=1778658361","url":"https:\/\/defdelete.com\/products\/full-egr-delete-kit-gm-chevy-duramax-3-0l-lm2-2020-2022","provider":"Diesel Partners","version":"1.0","type":"link"}