{"title":"2024-2026 L5P 6.6L","description":"\u003cp\u003eParts and tuning for 2024-2026 GM Duramax L5P 6.6L. Diesel done right.\u003c\/p\u003e","products":[{"product_id":"2017-2025-l5p-duramax-injector-pigtail-set-1","title":"2017-2025 L5P DURAMAX INJECTOR PIGTAIL SET","description":"\u003cp\u003e\u003cspan\u003ePIG TAIL NEEDED TO REPLACE THE BAD INJECTOR PLUG ON THE 2017+ L5P THAT IS PRONE TO FAIL.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eGENUINE GM PART\u003c\/span\u003e\u003c\/p\u003e","brand":"H2 Supply Co","offers":[{"title":"SET OF 4","offer_id":48264803942654,"sku":null,"price":90.0,"currency_code":"USD","in_stock":true},{"title":"SET OF 8","offer_id":48264803975422,"sku":null,"price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8008\/2942\/files\/Screenshot2025-10-04031440.png?v=1779836161"},{"product_id":"2024-2026-gm-duramax-l5p-global-b-hp-tuners-gm-e42-ecm-upgrade-service","title":"2024-2026 GM Duramax L5P - Global B HP Tuners GM E42 ECM Upgrade Service","description":"\u003carticle class=\"text-token-text-primary w-full focus:outline-none scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"4ef76d7d-a53e-4c97-93fd-a0b05616dcc4\" data-testid=\"conversation-turn-2\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @[37rem]:[--thread-content-margin:--spacing(6)] @[72rem]:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:32rem] @[34rem]:[--thread-content-max-width:40rem] @[64rem]:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"0593c339-c505-4774-9fe8-19d6845f46ff\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-5\" data-message-model-slug=\"gpt-5\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words dark markdown-new-styling\"\u003e\n\u003cp data-start=\"183\" data-end=\"252\"\u003e\u003cstrong data-start=\"183\" data-end=\"250\"\u003eHP Tuners GM E42 ECM Upgrade Service – 2024–2025 GM L5P Duramax\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"254\" data-end=\"480\"\u003eUnlock the full tuning potential of your 2024–2025 GM L5P Duramax with HP Tuners’ E42 ECM Upgrade Service. This mail-in upgrade is the first required step for custom tuning using HP Tuners’ VCM Suite (Beta) and MPVI3 device.\u003c\/p\u003e\n\u003cp data-start=\"482\" data-end=\"501\"\u003e\u003cstrong data-start=\"482\" data-end=\"499\"\u003eHow It Works:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-start=\"502\" data-end=\"736\"\u003e\n\u003cli data-start=\"502\" data-end=\"524\"\u003e\n\u003cp data-start=\"505\" data-end=\"524\"\u003ePlace your order.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"525\" data-end=\"610\"\u003e\n\u003cp data-start=\"528\" data-end=\"610\"\u003eReceive detailed shipping instructions for sending in your original factory ECM.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"611\" data-end=\"654\"\u003e\n\u003cp data-start=\"614\" data-end=\"654\"\u003eHP Tuners performs the unlock service.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"655\" data-end=\"736\"\u003e\n\u003cp data-start=\"658\" data-end=\"736\"\u003eYour ECM is shipped back, fully unlocked and ready for licensing and tuning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"738\" data-end=\"760\"\u003e\u003cstrong data-start=\"738\" data-end=\"758\"\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"761\" data-end=\"868\"\u003e\n\u003cli data-start=\"761\" data-end=\"813\"\u003e\n\u003cp data-start=\"763\" data-end=\"813\"\u003eE42 ECM unlock for 2024–2025 6.6L GM L5P Duramax\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"814\" data-end=\"868\"\u003e\n\u003cp data-start=\"816\" data-end=\"868\"\u003eReturn shipping \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"870\" data-end=\"889\"\u003e\u003cstrong data-start=\"870\" data-end=\"887\"\u003eRequirements:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"890\" data-end=\"1102\"\u003e\n\u003cli data-start=\"890\" data-end=\"940\"\u003e\n\u003cp data-start=\"892\" data-end=\"940\"\u003eMPVI3 device (MPVI2 and MPVI2+ not compatible)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"941\" data-end=\"979\"\u003e\n\u003cp data-start=\"943\" data-end=\"979\"\u003e8 Universal Credits to license ECM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"980\" data-end=\"1066\"\u003e\n\u003cp data-start=\"982\" data-end=\"1066\"\u003eOriginal ECM only—must be in good condition with no broken tabs or damaged plastic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1067\" data-end=\"1102\"\u003e\n\u003cp data-start=\"1069\" data-end=\"1102\"\u003eSpare ECMs are \u003cstrong data-start=\"1084\" data-end=\"1100\"\u003enot accepted\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1104\" data-end=\"1127\"\u003e\u003cstrong data-start=\"1104\" data-end=\"1125\"\u003eSupported Models:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1128\" data-end=\"1234\"\u003e\n\u003cli data-start=\"1128\" data-end=\"1185\"\u003e\n\u003cp data-start=\"1130\" data-end=\"1185\"\u003e2024–2025 Chevrolet Silverado HD 2500\/3500 (6.6L L5P)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1186\" data-end=\"1234\"\u003e\n\u003cp data-start=\"1188\" data-end=\"1234\"\u003e2024–2025 GMC Sierra HD 2500\/3500 (6.6L L5P)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote data-start=\"1236\" data-end=\"1422\"\u003e\n\u003cp data-start=\"1238\" data-end=\"1422\"\u003e \u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e","brand":"H2 Supply Co","offers":[{"title":"Default Title","offer_id":48264805253374,"sku":null,"price":1350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8008\/2942\/files\/Screenshot_2025-08-13_at_5.12.57_PM.png?v=1779836474"},{"product_id":"2017-2026-l5p-polished-downpipe-304-stainless","title":"2017-2026 L5P Polished DownPipe 304 Stainless","description":"\u003cp\u003e\u003cspan\u003e2017–2025 Duramax 6.6L Downpipe\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis premium downpipe is built to withstand the harshest conditions. Constructed from T304 stainless steel, it delivers the quality and durability your truck deserves. Designed for a hassle-free, straightforward installation, this downpipe helps lower exhaust gas temperatures (EGTs), improve fuel efficiency, enhance exhaust flow, and boost both horsepower and torque.\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eT304 polished stainless steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBillet-machined flange\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeat-wrapped for thermal protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEasy, direct-fit installation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFitment\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2017–2025 Chevrolet\/GMC Duramax 6.6L L5P\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFits models with the OEM-style 4-bolt flange off the downpipe\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for off-road and race use only. It is not designed for use on public roads or highways. Installation requires aftermarket tuning and modifications. The seller is not responsible for any damage, injury, or legal issues resulting from improper installation or use. Install and operate at your own risk!\u003c\/span\u003e\u003c\/p\u003e","brand":"H2 Supply Co","offers":[{"title":"Default Title","offer_id":48264806039806,"sku":null,"price":405.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8008\/2942\/files\/B1E72888-9CDE-4887-BF45-D57C8CE21E8B.png?v=1779836474"},{"product_id":"2024-2026-l5p-care-package-diy-kit","title":"2024 - 2026 L5P CARE PACKAGE (DIY KIT)","description":"\u003cp\u003eWhat’s Included?\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLIFETIME SUPPORT \u0026amp; FREE RETUNES\u003c\/li\u003e\n\u003cli\u003eMPVI4 or RTD4 (optional) works with MPVI3 also\u003c\/li\u003e\n\u003cli\u003eEGR SOLUTION KIT\u003c\/li\u003e\n\u003cli\u003eTurbo Gaskets \u003c\/li\u003e\n\u003cli\u003e3.5” Stainless Down Pipe\u003c\/li\u003e\n\u003cli\u003eExhaust Optional \u003c\/li\u003e\n\u003cli\u003eCAN BUS Plugs ( not required but included )\u003c\/li\u003e\n\u003cli\u003eCustom Engine Tuning Single (SOTF COMING SOON)\u003cstrong\u003e\u003cem\u003e \u003cstrong\u003eWHEN SOTF BECOMES AVALIBLE ALL CUSTOMERS WHO BOUGHT THIS COMPLETE CAREPACKAGE WILL GET FREE SOTF UPGRADE! NO IT DOES NOT MATTER HOW YOU OPTION IT! \u003c\/strong\u003e\u003c\/em\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eE42 Unlock Service Global B (optional)\u003c\/li\u003e\n\u003cli\u003eCustom engine tuning will include 0 - 200HP Options \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eTRANSMISSION TUNING SOLD SEPARATELY!! NOT INCLUDED WITH THIS PACKAGE\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eREQUIRES GLOBAL B TCM UNLOCK AND GLOBAL B TCM TUNING. \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEXHAUST OPTIONS (choose one)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5” Full Exhaust 409 Stainless \u003c\/li\u003e\n\u003cli\u003e4” Full Exhaust 409 Stainless \u003c\/li\u003e\n\u003cli\u003e4” DPF Solution Pipe Only ( Race Pipe ) \u003c\/li\u003e\n\u003cli\u003e5\" Full Exhaust and Polished Down Pipe 304 Stainless\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eE42 Unlock Service:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cspan\u003e2024–2025 L5P ECM Unlock Service (Included in Kit)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlock the full tuning potential of your 2024–2025 L5P Duramax with this mail-in ECM unlock service, now available as part of our complete tuning kit. This is the required upgrade for GM’s new E42 ECM platform and is powered by HP Tuners, the industry leader in custom tuning solutions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBy unlocking your ECM now, you’ll be fully prepped for custom tuning the moment it becomes available—no delays, no waiting.\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePlease note: Since this is a brand-new unlock service, processing times may exceed the usual 1–3 business days. We appreciate your patience as we scale to meet demand.\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHP Tuners credits are NOT included with this unlock service.\u003c\/span\u003e\u003c\/p\u003e","brand":"H2 Supply Co","offers":[{"title":"5” Full Exhaust \/ YES \/ Yes I need HP TUNERS DEVICE","offer_id":48264811708670,"sku":null,"price":4455.0,"currency_code":"USD","in_stock":true},{"title":"5” Full Exhaust \/ NO \/ Yes I need HP TUNERS DEVICE","offer_id":48264811741438,"sku":null,"price":3690.0,"currency_code":"USD","in_stock":true},{"title":"4” Full Exhaust \/ YES \/ Yes I need HP TUNERS DEVICE","offer_id":48264811774206,"sku":null,"price":4365.0,"currency_code":"USD","in_stock":true},{"title":"4” Full Exhaust \/ NO \/ Yes I need HP TUNERS DEVICE","offer_id":48264811806974,"sku":null,"price":3600.0,"currency_code":"USD","in_stock":true},{"title":"4” DPF DELETE PIPE ( race pipe ) \/ YES \/ Yes I need HP TUNERS DEVICE","offer_id":48264811839742,"sku":null,"price":4095.0,"currency_code":"USD","in_stock":true},{"title":"4” DPF DELETE PIPE ( race pipe ) \/ NO \/ Yes I need HP TUNERS DEVICE","offer_id":48264811872510,"sku":null,"price":3330.0,"currency_code":"USD","in_stock":true},{"title":"POLISHED 5\" \u0026 POLISHED DOWN PIPE \/ YES \/ Yes I need HP TUNERS DEVICE","offer_id":48264811905278,"sku":null,"price":6030.0,"currency_code":"USD","in_stock":true},{"title":"POLISHED 5\" \u0026 POLISHED DOWN PIPE \/ NO \/ Yes I need HP TUNERS DEVICE","offer_id":48264811938046,"sku":null,"price":5140.0,"currency_code":"USD","in_stock":true},{"title":"5” Full Exhaust \/ YES \/ No I have my own","offer_id":48264811970814,"sku":null,"price":4105.0,"currency_code":"USD","in_stock":true},{"title":"5” Full Exhaust \/ NO \/ No I have my own","offer_id":48264812003582,"sku":null,"price":3340.0,"currency_code":"USD","in_stock":true},{"title":"4” Full Exhaust \/ YES \/ No I have my own","offer_id":48264812036350,"sku":null,"price":4015.0,"currency_code":"USD","in_stock":true},{"title":"4” Full Exhaust \/ NO \/ No I have my own","offer_id":48264812069118,"sku":null,"price":3250.0,"currency_code":"USD","in_stock":true},{"title":"4” DPF DELETE PIPE ( race pipe ) \/ YES \/ No I have my own","offer_id":48264812101886,"sku":null,"price":3745.0,"currency_code":"USD","in_stock":true},{"title":"4” DPF DELETE PIPE ( race pipe ) \/ NO \/ No I have my own","offer_id":48264812134654,"sku":null,"price":2980.0,"currency_code":"USD","in_stock":true},{"title":"POLISHED 5\" \u0026 POLISHED DOWN PIPE \/ YES \/ No I have my own","offer_id":48264812167422,"sku":null,"price":5680.0,"currency_code":"USD","in_stock":true},{"title":"POLISHED 5\" \u0026 POLISHED DOWN PIPE \/ NO \/ No I have my own","offer_id":48264812200190,"sku":null,"price":4790.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8008\/2942\/files\/l5p-denali-1.jpg?v=1780016037"},{"product_id":"2017-2025-gm-6-6l-duramax-l5p-egr-delete-kit-with-4-dpf-cat-delete-pipe-and-3-5-downpipe-and-2020-ca","title":"2017-2025 GM 6.6L Duramax L5P EGR Solution kit with 4\" DPF \u0026 Cat Solution Pipe and 3.5\" Downpipe and 2020+ CAN Bus Plugs","description":"\u003cp data-start=\"74\" data-end=\"192\"\u003e\u003cstrong data-start=\"74\" data-end=\"192\"\u003e2017–2023 GM 6.6L Duramax L5P EGR Solution Kit with 4\" DPF \u0026amp; CAT Solution Pipe, 3.5\" Downpipe, and 2020+ CAN Bus Plugs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"194\" data-end=\"557\"\u003eTake your Duramax to the next level with this all-in-one EGR Solution Kit designed for 2017–2023 GM 6.6L Duramax L5P engines. This complete package includes a 4\" DPF and CAT Solution Pipe, a 3.5\" Downpipe, and CAN Bus Plugs for 2020+ models—combining to improve exhaust flow, reduce backpressure, eliminate EGR restrictions, and maintain proper CAN Bus communication.\u003c\/p\u003e\n\u003cp data-start=\"559\" data-end=\"576\"\u003e\u003cstrong data-start=\"559\" data-end=\"576\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"577\" data-end=\"1141\"\u003e\n\u003cli data-start=\"577\" data-end=\"642\"\u003e\n\u003cp data-start=\"579\" data-end=\"642\"\u003eFits 2017–2023 GM trucks with 6.6L Duramax L5P diesel engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"643\" data-end=\"721\"\u003e\n\u003cp data-start=\"645\" data-end=\"721\"\u003eRemoves factory EGR system to reduce carbon buildup and intake restriction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"722\" data-end=\"820\"\u003e\n\u003cp data-start=\"724\" data-end=\"820\"\u003e4\" DPF \u0026amp; CAT Solution Pipe enhances exhaust flow by eliminating restrictive emissions components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"821\" data-end=\"887\"\u003e\n\u003cp data-start=\"823\" data-end=\"887\"\u003e3.5\" Downpipe improves exhaust scavenging and turbo efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"888\" data-end=\"993\"\u003e\n\u003cp data-start=\"890\" data-end=\"993\"\u003eIncludes CAN Bus Plugs designed for 2020 and newer models to ensure proper electronic system function\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"994\" data-end=\"1070\"\u003e\n\u003cp data-start=\"996\" data-end=\"1070\"\u003eMade from high-quality materials for durability and corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1071\" data-end=\"1141\"\u003e\n\u003cp data-start=\"1073\" data-end=\"1141\"\u003eIdeal for off-road and performance use (not for street use)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"H2 Supply Co","offers":[{"title":"17-19","offer_id":48264812593406,"sku":null,"price":1035.0,"currency_code":"USD","in_stock":true},{"title":"20-23","offer_id":48264812626174,"sku":null,"price":1055.0,"currency_code":"USD","in_stock":true},{"title":"24-25","offer_id":48264812658942,"sku":null,"price":1055.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8008\/2942\/files\/025d062c76f50134aa0e58203b724703.webp?v=1779836561"},{"product_id":"2017-2025-gm-6-6l-duramax-l5p-diesel-oem-length-replacement-high-flow-up-pipes","title":"2017-2025 GM 6.6L Duramax L5P Diesel OEM Length Replacement High Flow Up Pipes","description":"\u003cp data-start=\"100\" data-end=\"188\"\u003e\u003cstrong data-start=\"100\" data-end=\"188\"\u003eOEM Length Replacement High Flow Up Pipes – For 2017–2023 GM 6.6L Duramax L5P Diesel\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"190\" data-end=\"486\"\u003eUpgrade your Duramax exhaust system with these OEM length replacement high flow up pipes designed for 2017–2023 GM 6.6L Duramax L5P diesel engines. Engineered to improve exhaust flow and reduce backpressure, these pipes help boost performance and turbo efficiency while maintaining a perfect fit.\u003c\/p\u003e\n\u003cp data-start=\"488\" data-end=\"505\"\u003e\u003cstrong data-start=\"488\" data-end=\"505\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"506\" data-end=\"892\"\u003e\n\u003cli data-start=\"506\" data-end=\"590\"\u003e\n\u003cp data-start=\"508\" data-end=\"590\"\u003eDirect replacement for factory up pipes on 2017–2023 GM 6.6L Duramax L5P engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"591\" data-end=\"678\"\u003e\n\u003cp data-start=\"593\" data-end=\"678\"\u003eHigh flow design enhances exhaust gas evacuation for improved horsepower and torque\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"679\" data-end=\"744\"\u003e\n\u003cp data-start=\"681\" data-end=\"744\"\u003eMaintains OEM length and fitment for hassle-free installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"745\" data-end=\"820\"\u003e\n\u003cp data-start=\"747\" data-end=\"820\"\u003eConstructed from durable materials to withstand high heat and corrosion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"821\" data-end=\"892\"\u003e\n\u003cp data-start=\"823\" data-end=\"892\"\u003eIdeal for performance upgrades or replacement of worn\/damaged pipes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"H2 Supply Co","offers":[{"title":"Default Title","offer_id":48264812724478,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8008\/2942\/files\/ffc4574619197db0f936096298928a1f.webp?v=1779836561"},{"product_id":"2020-2025-duramax-diesel-l5p-lm2-lz0-can-bus-plugs","title":"2020-2025 Duramax Diesel L5P\/LM2\/LZ0 CAN Bus Plugs","description":"\u003cp data-start=\"93\" data-end=\"146\"\u003e\u003cstrong data-start=\"93\" data-end=\"146\"\u003eCAN Bus Plugs – Fits Duramax Diesel L5P\/LM2\/LZ0 2020–2025\u003c\/strong\u003e\u003cstrong data-start=\"93\" data-end=\"146\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"148\" data-end=\"399\"\u003eMaintain reliable communication within your vehicle’s electronic system with these CAN Bus Plugs, designed for 2020–2025 GM Duramax Diesel L5P engines. Perfect for ensuring smooth diagnostics, system upgrades, or repairs involving the CAN Bus network.\u003c\/p\u003e\n\u003cp data-start=\"401\" data-end=\"418\"\u003e\u003cstrong data-start=\"401\" data-end=\"418\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"419\" data-end=\"682\"\u003e\n\u003cli data-start=\"419\" data-end=\"478\"\u003e\n\u003cp data-start=\"421\" data-end=\"478\"\u003eCompatible with 2020–2025 GM Duramax Diesel L5P\/LM2\/LZ0 Engine\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"479\" data-end=\"552\"\u003e\n\u003cp data-start=\"481\" data-end=\"552\"\u003ePreserves proper CAN Bus functionality for accurate data transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"553\" data-end=\"611\"\u003e\n\u003cp data-start=\"555\" data-end=\"611\"\u003eSimple installation with secure and durable connectors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"612\" data-end=\"682\"\u003e\n\u003cp data-start=\"614\" data-end=\"682\"\u003eBuilt to withstand automotive conditions for long-term reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"H2 Supply Co","offers":[{"title":"Default Title","offer_id":48264812757246,"sku":null,"price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8008\/2942\/files\/0879a22885f5828d41fb9a674a08eb4c_93892f89-7c54-4cc5-9070-70fad19c4716.webp?v=1779836560"},{"product_id":"l5p-2017-2026-billet-ccv-reroute","title":"L5P 2017-2026 BILLET CCV REROUTE","description":"\u003cp\u003eUpgrade your factory crankcase ventilation system with this high-performance L5P CCV Upgrade Kit, designed to solve common failure issues and improve engine reliability for your 2017–2026 Duramax.\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhat Is the CCV System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe CCV (Crankcase Ventilation) system is responsible for extracting combustion gases that escape past the piston rings and collect in the crankcase. On the L5P Duramax, the CCV system is integrated into the valve cover and connects to the intake air horn. This setup uses Bernoulli’s Principle to create vacuum and route crankcase gases back through the intake for reburning — a requirement for emissions compliance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOver time, especially in higher-mileage diesels, excessive blow-by causes oil vapors to be carried into the turbocharger inlet. The engine consumes this oil, which can lead to carbon buildup and reduced efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhy Upgrade?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe factory CCV system on the L5P is made of plastic and is known to crack or fail over time, allowing boost pressure and hot charge air to enter the intake system improperly. Additionally, the OEM system is non-serviceable — if it fails, the entire driver-side valve cover must be removed, requiring fuel line and injector removal, often totaling 6+ hours of labor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis upgrade kit eliminates that problem entirely and offers several key improvements:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey Features \u0026amp; Benefits:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDirect replacement for the factory CCV system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDurable construction — eliminates weak factory plastic prone to cracking\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIntegrates dual passive oil separation stages\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eUses proven differential drop technology from marine and heavy-duty diesel applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps keep intake components free of oil and carbon buildup\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRelocates oil fill port to the front of the engine using a billet standpipe\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTall enough to clear engine accessories\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMakes filling oil easier, especially with gallon jugs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSeparates oil fill from CCV system for improved safety and cleanliness\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduces oil ingestion into the turbocharger and intake manifold\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo tuning required — completely passive system with no moving parts\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInstall Time: 30–45 minutes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMounting: Reuses the 4 factory safety lock screws for secure fitment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo special tools required\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo tuning or calibration changes needed\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhy We Designed It:\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cspan\u003eTo eliminate failure-prone factory components.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eThe stock CCV cannot be serviced, making repairs expensive and time-consuming. This kit eliminates that hassle.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTo improve maintenance and usability.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eRelocating the oil fill makes engine service easier and cleaner, especially in performance or work applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompatibility:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFits: 2017–2026 L5P Duramax (Silverado \u0026amp; Sierra 2500HD\/3500HD)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTurbo Setup: Compatible with all factory and most aftermarket configurations\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"H2 Supply Co","offers":[{"title":"Default Title","offer_id":48264875442430,"sku":null,"price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8008\/2942\/files\/IMG-1201.webp?v=1779838435"},{"product_id":"3-5-turbo-intake-horn-2020-2025-l5p-duramax-factory-style-turbo","title":"3.5” Turbo Intake Horn | 2020–2025 L5P Duramax (Factory-Style Turbo)","description":"\u003cp\u003eUpgrade your 2020–2025 L5P Duramax with this high-flow 3.5” Turbo Intake Horn, designed specifically for trucks running the factory-style turbo. This bolt-on upgrade improves airflow by eliminating the restrictive section found in the stock intake horn just before the turbo inlet — all without the need for tuning.\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you’re running the OEM intake or an aftermarket intake system, this intake horn is a direct-fit solution that enhances throttle response and turbo efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey Features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNo tuning required — plug-and-play installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproves airflow to the turbo by removing factory restrictions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with OEM or aftermarket intake kits\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFits stock trucks — no other modifications needed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDurable 3.5” construction for maximum flow and performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePerfect for daily drivers, tow rigs, or performance builds looking to unlock better airflow without complicating the setup.\u003c\/span\u003e\u003c\/p\u003e","brand":"H2 Supply Co","offers":[{"title":"Raw","offer_id":48264875475198,"sku":null,"price":160.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":48264875507966,"sku":null,"price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8008\/2942\/files\/IMG-1187.jpg?v=1779838433"}],"url":"https:\/\/h2supplyco.com\/collections\/2024-2026-l5p-6-6l.oembed","provider":"H2 Supply CO","version":"1.0","type":"link"}