{"product_id":"2017-gm-6-6l-l5p-duramax-engine-tuning","title":"2017 GM 6.6L L5P Duramax Engine Tuning","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003e2017 GM 6.6L L5P Duramax Engine Tuning is built for drivers who want a calibration that feels strong, smooth, and predictable in real-world use. Whether the vehicle spends its time commuting, towing, traveling, or being enjoyed on the street, the calibration is matched to the application and the way you use it. Final calibration details are handled through The Tune Shop's remote-tuning process.\u003c\/p\u003e\n\u003ch4\u003eCompatible Platforms\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHP Tuners\u003c\/li\u003e\n\u003cli\u003eEZ LYNK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePower Level Options\u003c\/h4\u003e\n\u003cp\u003eChoose the calibration level that best matches how you use the vehicle. Power gains are not advertised because actual output varies with the vehicle, modifications, fuel, operating conditions, and supporting hardware.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eLevel 1: Optimized for Heavy Towing\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLevel 2: Optimized for Light Towing\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLevel 3: Daily Driver \/ Economy\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLevel 4: Street Performance\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLevel 5: Max Effort \/ Track\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll 5 Power Levels\u003c\/strong\u003e — includes all five calibration levels so you can select the calibration best suited to the way the vehicle is being used.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eVehicle Compatibility\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Chevrolet and GMC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModels:\u003c\/strong\u003e Silverado 2500, Silverado 3500, Sierra 2500, and Sierra 3500\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 6.6L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eController \/ Engine Code:\u003c\/strong\u003e L5P\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eImportant Fitment \u0026amp; Licensing Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported tuning platforms:\u003c\/strong\u003e HP Tuners, EZ LYNK.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnlock \/ upgrade requirement:\u003c\/strong\u003e This application requires the referenced controller unlock or upgrade service before tuning. Select the required service in the product options when applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHP Tuners licensing:\u003c\/strong\u003e 4 credit(s) are recorded for this application. Credits are separate from the tuning service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEZ LYNK licensing:\u003c\/strong\u003e 10 token(s) are recorded for this application when EZ LYNK is selected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCustom engine calibration for the selected power level.\u003c\/li\u003e\n\u003cli\u003eRemote-tuning support for the vehicle and its supported modifications.\u003c\/li\u003e\n\u003cli\u003eCalibration revisions as reasonably needed to complete the initial tuning process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat Customers Are Saying\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e“The biggest difference is how much smoother and more responsive the truck feels in normal driving.”\u003c\/li\u003e\n\u003cli\u003e“I wanted something that behaved well while towing and still felt strong unloaded. The calibration feels very well rounded.”\u003c\/li\u003e\n\u003cli\u003e“The one-on-one support made the process easy, and the truck drives the way I wanted it to.”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhy Choose The Tune Shop?\u003c\/h4\u003e\n\u003cp\u003eThe Tune Shop is built around personalized, one-on-one service rather than a one-size-fits-all file. We work with you to understand how the vehicle is used, the modifications it has, and the drivability you expect. Our calibrations are developed with real street use in mind and are intended to deliver smooth, predictable performance across daily driving, towing, highway use, and spirited driving while keeping the calibration matched to the vehicle's actual setup.\u003c\/p\u003e\n\u003ch4\u003eSOTF \/ Switchable Tuning\u003c\/h4\u003e\u003cp\u003eSOTF \/ Switchable Tuning is available as a tuning-level variant on this product. This application uses \u003cstrong\u003eHP Tuners native SOTF\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eSOTF \/ Switchable Tuning provides multiple calibrations that can be selected without reflashing the ECM between supported tune positions. Where five positions are supported, the selectable calibrations follow the same general progression as The Tune Shop's individual Level 1 through Level 5 tunes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable positions:\u003c\/strong\u003e 5 custom tune slots plus stock slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported platform for switchable tuning:\u003c\/strong\u003e HP Tuners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching method \/ hardware:\u003c\/strong\u003e OEM steering-wheel\/cruise controls; HP Tuners L5P Diesel Switch optional and sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSwitching hardware, tuning devices, controller services, cables, credits, and licenses are not included in the SOTF tuning-service variant unless explicitly stated and remain separate selections where applicable. “All 5 Power Levels” remains a separate option that supplies the five individual non-switchable tune files.\u003c\/p\u003e","brand":"The Tune Shop","offers":[{"title":"Level 1 - Optimized for Heavy Towing","offer_id":46923856150700,"sku":"TTS-TUN-GM-L5P-001-S1-L1","price":849.99,"currency_code":"USD","in_stock":true},{"title":"Level 2 - Optimized for Light Towing","offer_id":46923856183468,"sku":"TTS-TUN-GM-L5P-001-S1-L2","price":849.99,"currency_code":"USD","in_stock":true},{"title":"Level 3 - Daily Driver \/ Economy","offer_id":46923856216236,"sku":"TTS-TUN-GM-L5P-001-S1-L3","price":849.99,"currency_code":"USD","in_stock":true},{"title":"Level 4 - Street Performance","offer_id":46923856249004,"sku":"TTS-TUN-GM-L5P-001-S1-L4","price":849.99,"currency_code":"USD","in_stock":true},{"title":"Level 5 - Max Effort \/ Track","offer_id":46923856281772,"sku":"TTS-TUN-GM-L5P-001-S1-L5","price":849.99,"currency_code":"USD","in_stock":true},{"title":"SOTF \/ Switchable Tuning","offer_id":47001599869100,"sku":"TTS-TUN-GM-L5P-001-S1-SOTF","price":1399.98,"currency_code":"USD","in_stock":true},{"title":"All 5 Power Levels","offer_id":46923856314540,"sku":"TTS-TUN-GM-L5P-001-S1-ALL5","price":1899.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/2736\/1452\/files\/tts-2017-l5p-engine-tuning-01.webp?v=1786678814","url":"https:\/\/thetuneshop.com\/products\/2017-gm-6-6l-l5p-duramax-engine-tuning","provider":"The Tune Shop","version":"1.0","type":"link"}