{"products":[{"id":11366775128406,"title":"Diode Dynamics EP29 LED Turn Signal Flasher","handle":"diode-dynamics-ep29-led-turn-signal-flasher-f1da57","body_html":"\u003cp\u003eEP29 LED Turn Signal Flasher. Choose the required configuration.\u003c\/p\u003e\u003cp\u003ePlug and play, direct fitment in your vehicle Direct swap for your original flasher module\u003c\/p\u003e\u003cp\u003eCheck the selected SKU, original lighting equipment and installation requirements before ordering.\u003c\/p\u003e","published_at":"2026-10-21T12:38:42+01:00","created_at":"2026-10-15T10:44:49+01:00","updated_at":"2026-10-24T04:06:55+01:00","vendor":"Diode Dynamics","product_type":"Lighting Accessory","tags":["brand:diode-dynamics","cat:lighting","dept:vehicle-accessories","fits:cadillac-escalade","fits:chevrolet-silverado-1500","fits:chevrolet-silverado-2500","fits:chevrolet-silverado-hd","fits:gmc-jimmy","fits:gmc-sierra","fits:gmc-sierra-1500","fits:gmc-yukon","make:cadillac","make:chevrolet","make:gmc","type:lighting-accessory"],"variants":[{"id":55764804305238,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DD4007","requires_shipping":true,"taxable":true,"featured_image":{"id":86589672882518,"product_id":11366775128406,"position":1,"created_at":"2026-10-15T10:44:49+01:00","updated_at":"2026-10-15T10:44:52+01:00","alt":"EP29 LED Turn Signal Flasher","width":1500,"height":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/diode548-CREATE-026-0.jpg?v=1792057492","variant_ids":[55764804305238]},"available":true,"price":"23.51","grams":82,"compare_at_price":null,"position":1,"product_id":11366775128406,"created_at":"2026-10-15T10:44:49+01:00","updated_at":"2026-10-24T04:06:55+01:00"}],"images":[{"id":86589672882518,"created_at":"2026-10-15T10:44:49+01:00","position":1,"updated_at":"2026-10-15T10:44:52+01:00","product_id":11366775128406,"variant_ids":[55764804305238],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/diode548-CREATE-026-0.jpg?v=1792057492","width":1500,"height":1000}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11361086177622,"title":"Diode Dynamics Interior LED Conversion Kit for 1998-2006 Chevrolet Silverado","handle":"diode-dynamics-interior-led-conversion-kit-for-1998-2006-chevrolet-silverado-a50a04","body_html":"\u003cp\u003eInterior LED Conversion Kit for 1998-2006 Chevrolet Silverado.\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003eCalifornia Proposition 65\u003c\/dt\u003e\n\u003cdd\u003eWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov\u003c\/dd\u003e\n\u003cdt\u003eCarrying Case Bin Quantity\u003c\/dt\u003e\n\u003cdd\u003e1\u003c\/dd\u003e\n\u003cdt\u003eCarrying Case Color\u003c\/dt\u003e\n\u003cdd\u003eClear\u003c\/dd\u003e\n\u003cdt\u003eCarrying Case Material\u003c\/dt\u003e\n\u003cdd\u003ePlastic\u003c\/dd\u003e\n\u003cdt\u003eColor Temp\u003c\/dt\u003e\n\u003cdd\u003e6000\u003c\/dd\u003e\n\u003cdt\u003eLockable\u003c\/dt\u003e\n\u003cdd\u003eNo\u003c\/dd\u003e\n\u003cdt\u003eOperating temperature\u003c\/dt\u003e\n\u003cdd\u003e-40C to 85C (-40F to 185F)\u003c\/dd\u003e\n\u003cdt\u003eVoltage\u003c\/dt\u003e\n\u003cdd\u003e9-16 Volts DC\u003c\/dd\u003e\n\u003c\/dl\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDD0551\u003c\/td\u003e\n\u003ctd\u003eInterior LED Kit for 1998-2006 Chevrolet Silverado Cool White Stage 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDD0552\u003c\/td\u003e\n\u003ctd\u003eInterior LED Kit for 1998-2006 Chevrolet Silverado Cool White Stage 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eVehicle application data is for US-market vehicles. Check the selected SKU, lighting position and original lighting equipment before ordering.\u003c\/p\u003e","published_at":"2026-10-21T12:37:19+01:00","created_at":"2026-10-12T22:14:34+01:00","updated_at":"2026-10-24T04:06:55+01:00","vendor":"Diode Dynamics","product_type":"Multi-Purpose Light Bulb Kit","tags":["brand:diode-dynamics","cat:lighting","dept:vehicle-accessories","fits:chevrolet-silverado-1500","fits:chevrolet-silverado-2500","fits:chevrolet-silverado-hd","make:chevrolet","type:lighting-accessory"],"variants":[{"id":55719116079446,"title":"Stage 1","option1":"Stage 1","option2":null,"option3":null,"sku":"DD0551","requires_shipping":true,"taxable":true,"featured_image":{"id":86545414193494,"product_id":11361086177622,"position":1,"created_at":"2026-10-12T22:14:34+01:00","updated_at":"2026-10-12T22:14:39+01:00","alt":"Interior LED Conversion Kit for 1998-2006 Chevrolet Silverado","width":1500,"height":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/diode-bb95f6c0d94468b9d6d225cd.jpg?v=1791839679","variant_ids":[55719116079446]},"available":true,"price":"97.34","grams":404,"compare_at_price":null,"position":1,"product_id":11361086177622,"created_at":"2026-10-12T22:14:35+01:00","updated_at":"2026-10-24T04:06:55+01:00"},{"id":55719116112214,"title":"Stage 2","option1":"Stage 2","option2":null,"option3":null,"sku":"DD0552","requires_shipping":true,"taxable":true,"featured_image":{"id":86545414226262,"product_id":11361086177622,"position":2,"created_at":"2026-10-12T22:14:34+01:00","updated_at":"2026-10-12T22:14:38+01:00","alt":"Interior LED Conversion Kit for 1998-2006 Chevrolet Silverado","width":1500,"height":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/diode-cf8ab461351b3417903e4e52.jpg?v=1791839678","variant_ids":[55719116112214]},"available":true,"price":"171.09","grams":404,"compare_at_price":null,"position":2,"product_id":11361086177622,"created_at":"2026-10-12T22:14:35+01:00","updated_at":"2026-10-24T04:06:55+01:00"}],"images":[{"id":86545414193494,"created_at":"2026-10-12T22:14:34+01:00","position":1,"updated_at":"2026-10-12T22:14:39+01:00","product_id":11361086177622,"variant_ids":[55719116079446],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/diode-bb95f6c0d94468b9d6d225cd.jpg?v=1791839679","width":1500,"height":1000},{"id":86545414226262,"created_at":"2026-10-12T22:14:34+01:00","position":2,"updated_at":"2026-10-12T22:14:38+01:00","product_id":11361086177622,"variant_ids":[55719116112214],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/diode-cf8ab461351b3417903e4e52.jpg?v=1791839678","width":1500,"height":1000}],"options":[{"name":"Brightness Level","position":1,"values":["Stage 1","Stage 2"]}]},{"id":11142675333462,"title":"Nostrum GM Gen 5 LT V8 Stage 1 High Flow DI Injectors","handle":"nostrum-gen-5-gm-lt-v8-stage-1-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eStage 1 is Nostrum's first fuelling step for a Gen V LT V8 that runs out of injector before it runs out of blower, turbo or nitrous. They flow 25% more than a stock LT4 injector and 45% more than the LT1 and L86 item, at up to 220 bar, and keep an OEM-equivalent spray pattern so the factory engine management still controls them. Nostrum describes the set as plug and play. Each injector is flow tested and batched into a serialised set, which is what stops one cylinder running leaner than the other seven.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA cammed or blown LT1 pegged at injector duty cycle, with no timing or boost left in it.\u003c\/li\u003e\n\u003cli\u003eLT4 cars adding a smaller blower pulley, where the pump still has headroom but the injectors do not.\u003c\/li\u003e\n\u003cli\u003eMoving onto E85 or a high-ethanol blend, which needs roughly a third more fuel volume for the same air.\u003c\/li\u003e\n\u003cli\u003eSilverado, Sierra, Tahoe, Suburban and Escalade builds that tow or tune and want the fuel side sorted first.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhere The Stock LT1 And LT4 Injectors Run Out\u003c\/h2\u003e\u003cp\u003eA direct injection fuel system hits two separate walls. In the mid range the cam-driven high pressure pump is the limit; at high rpm the crank angle available for each injection event gets short, and that is an injector problem. Adding boost or ethanol without addressing the injector drives the car further into that second wall. Stage 1 lifts the injector ceiling while leaving the factory calibration structure intact.\u003c\/p\u003e\u003ch2\u003eChecking Your Injector Stem Before You Order\u003c\/h2\u003e\u003cp\u003eLT1 and LT4 style injectors use a 7.5mm stem. The LT2 uses 6mm and will not take this set without machining the cylinder heads, so stem size is the one check to do first. Nostrum flags 2021-onward Silverado, Sierra, Tahoe, Suburban and Escalade in particular: confirm the engine is not already on 6mm stem injectors.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct type: high flow direct injectors (DI), complete set\u003c\/li\u003e\n\u003cli\u003eSKU: H703-1352\u003c\/li\u003e\n\u003cli\u003eFlow: 25% more than stock LT4, 45% more than stock LT1\/L86\u003c\/li\u003e\n\u003cli\u003eMax operating pressure: 220 bar \/ 22 MPa \/ 3190 psi\u003c\/li\u003e\n\u003cli\u003eInjector stem: 7.5mm, LT1 and LT4 style, not LT2\u003c\/li\u003e\n\u003cli\u003eIncluded: complete injector set, installation instructions, tuning guides for your tuner\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eA supporting calibration is required; Nostrum recommends HP Tuners or EFI Live and supplies HP Tuners templates. Confirm the 7.5mm stem, then check the car against the table below. The 1200 whp gasoline and 900 whp E85 numbers Nostrum quotes are fuel-system capacity for a build that already has the air handling, mechanical strength and tuning to use it, not an outcome of fitting injectors. If Stage 1 is not enough, the \u003ca href=\"\/products\/nostrum-gen-5-gm-lt-v8-stage-2-injectors\"\u003eStage 2 set\u003c\/a\u003e is the step up; other engines sit in the \u003ca href=\"\/collections\/high-flow-direct-injectors\"\u003ehigh flow direct injector range\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2019\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette (C7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2023\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado \/ GMC Sierra\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2023\u003c\/td\u003e\n\u003ctd\u003eChevrolet Tahoe \/ Suburban and Cadillac Escalade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2022\u003c\/td\u003e\n\u003ctd\u003eChevrolet Camaro SS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2023\u003c\/td\u003e\n\u003ctd\u003eChevrolet Camaro ZL1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003ctd\u003eCadillac CTS-V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow direct injectors (DI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH703-1352\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Application\u003c\/td\u003e\n\u003ctd\u003eGM Gen V LT V8 (LT1 \/ LT4 \/ L86)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Increase\u003c\/td\u003e\n\u003ctd\u003e25% over stock LT4; 45% over stock LT1\/L86\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate\u003c\/td\u003e\n\u003ctd\u003e22.1 g\/s at 100 bar (Viscor 16A); 1832 cc\/min at 100 bar (nHeptane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Operating Pressure\u003c\/td\u003e\n\u003ctd\u003e220 bar \/ 22 MPa \/ 3190 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInjector Stem\u003c\/td\u003e\n\u003ctd\u003e7.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Compatibility\u003c\/td\u003e\n\u003ctd\u003eEthanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTune Requirement\u003c\/td\u003e\n\u003ctd\u003eYes; HP Tuners or EFI Live\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime (manufacturing defects)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWill these fit a C8 Corvette?\u003c\/h3\u003e\u003cp\u003eNostrum does not list the C8 for Stage 1. The Stage 2 set covers 2020-2021 C8 cars confirmed not to be on 6mm stems.\u003c\/p\u003e\u003ch3\u003eDo I need port injection or methanol as well?\u003c\/h3\u003e\u003cp\u003eNo. Nostrum's position is that this flow increase removes the need for a secondary port or methanol setup, because the fuel goes through the factory direct injection system.\u003c\/p\u003e\u003ch3\u003eShould I upgrade the high pressure pump at the same time?\u003c\/h3\u003e\u003cp\u003eIt depends where your car is limited. The pump is usually the restriction around peak torque, the injector at peak power. Your tuner's logs will show which wall you meet first.\u003c\/p\u003e","published_at":"2026-07-24T17:57:55+01:00","created_at":"2026-07-24T13:03:12+01:00","updated_at":"2026-10-24T04:06:55+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","Cadillac","Cadillac CTS-V","Cadillac Escalade","cat:fuel","Chevrolet","Chevrolet Camaro","Chevrolet Camaro SS","Chevrolet Camaro ZL1","Chevrolet Corvette","Chevrolet Corvette C7","Chevrolet Silverado","Chevrolet Suburban","Chevrolet Tahoe","dept:performance-parts","fits:cadillac-escalade","fits:chevrolet-camaro","fits:chevrolet-corvette","fits:chevrolet-silverado","fits:chevrolet-suburban","fits:chevrolet-tahoe","fits:gmc-sierra","GM","GMC","GMC Sierra","make:cadillac","make:chevrolet","make:gm","make:gmc","type:high-flow-direct-injectors"],"variants":[{"id":54805987787094,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H703-1352","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"2295.47","grams":0,"compare_at_price":null,"position":1,"product_id":11142675333462,"created_at":"2026-07-24T13:03:12+01:00","updated_at":"2026-10-24T04:06:55+01:00"}],"images":[{"id":83087872590166,"created_at":"2026-07-24T16:01:53+01:00","position":1,"updated_at":"2026-07-24T16:01:55+01:00","product_id":11142675333462,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/H603-1251-A1_-_LT_DI_Injectors_photo_07__76039.1695303023_91d83e7b-195e-4202-9379-206aa7481516.jpg?v=1784905315","width":500,"height":500}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142675398998,"title":"Nostrum GM Gen 5 LT V8 Stage 2 High Flow DI Injectors, Set of 8","handle":"nostrum-gen-5-gm-lt-v8-stage-2-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eStage 2 sits at the top of Nostrum's Gen V LT injector ladder: eight direct injectors flowing 51% more than a stock LT4 injector and 71% more than the LT1 and L86 unit, using an industry-first 8-hole spray pattern developed to keep combustion quality intact at that flow. It suits an LT build that has used up Stage 1, or one specified from the start around a big turbo, blower or nitrous package on E85. Each injector is serialised and production tested for leak, static and dynamic flow and opening pressure, then batched into a set to within plus or minus 3%.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAn LT build already pegged at Stage 1 duty cycle high in the rev range.\u003c\/li\u003e\n\u003cli\u003eBig turbo, large blower or heavy nitrous cars needing fuel headroom designed in from day one.\u003c\/li\u003e\n\u003cli\u003eOwners doing the whole job through direct injection rather than adding port injection and a controller.\u003c\/li\u003e\n\u003cli\u003eRace cars needing eight injectors matched tightly enough to trust cylinder to cylinder.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhen Stage 1 Is Not Enough Injector\u003c\/h2\u003e\u003cp\u003eThe difference between the stages is headroom, not character. Stage 1 lifts a stock LT4 by a quarter; Stage 2 lifts it by half, and Nostrum quotes the fuel system as able to support 1400 whp on gasoline or around 1000 whp on E85 once air handling, rotating assembly and calibration are up to it. The rail pressure target here is 200 bar rather than Stage 1's 220 bar: a bigger injector run slightly softer.\u003c\/p\u003e\u003ch2\u003eEight Holes And Why The Spray Pattern Matters\u003c\/h2\u003e\u003cp\u003eA bigger injector is not automatically a better one. Poor atomisation at high flow shows up as rough idle, knock sensitivity, soot and fuel washing the bores, which dilutes the oil. The 8-hole pattern keeps the charge homogeneous at Stage 2 flow while staying controllable by the factory engine management, which is why the set stays tunable on HP Tuners.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct type: high flow direct injectors (DI), set of 8\u003c\/li\u003e\n\u003cli\u003eSKU: H750-1541\u003c\/li\u003e\n\u003cli\u003eFlow: 51% more than stock LT4, 71% more than stock LT1\/L86\u003c\/li\u003e\n\u003cli\u003eRail pressure target: 200 bar \/ 20 MPa \/ 2900 psi maximum\u003c\/li\u003e\n\u003cli\u003eSpray pattern: 8-hole, OEM compatible; sets batched to plus or minus 3%\u003c\/li\u003e\n\u003cli\u003eIncluded: direct-replacement set of eight, installation instructions, tuning guide and HP Tuners templates\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eA calibration is required; Nostrum recommends HP Tuners. The check that matters is injector stem size: this set is for the 7.5mm LT1 and LT4 style bore, and Nostrum asks 2020-2021 C8 Corvette and 2021-onward Silverado, Sierra, Tahoe, Suburban and Escalade owners to confirm their engine is not already on 6mm stem injectors. The quoted whp figures are fuel-system capacity for a fully supported build. If your car is nowhere near them, \u003ca href=\"\/products\/nostrum-gen-5-gm-lt-v8-stage-1-injectors\"\u003eStage 1\u003c\/a\u003e is the better spend; other LT parts sit in the \u003ca href=\"\/collections\/chevrolet\"\u003eChevrolet collection\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2019\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette (C7) including Z06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2021\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette (C8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2023\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado \/ GMC Sierra\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2023\u003c\/td\u003e\n\u003ctd\u003eChevrolet Tahoe \/ Suburban and Cadillac Escalade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2022\u003c\/td\u003e\n\u003ctd\u003eChevrolet Camaro SS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2023\u003c\/td\u003e\n\u003ctd\u003eChevrolet Camaro ZL1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003ctd\u003eCadillac CTS-V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow direct injectors (DI), set of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH750-1541\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Application\u003c\/td\u003e\n\u003ctd\u003eGM Gen V LT V8 (LT1 \/ LT4 \/ L86)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Increase\u003c\/td\u003e\n\u003ctd\u003e51% over stock LT4; 71% over stock LT1\/L86\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate\u003c\/td\u003e\n\u003ctd\u003e26.7 g\/s at 100 bar (Viscor 16A); 2214 cc\/min at 100 bar (nHeptane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Pressure\u003c\/td\u003e\n\u003ctd\u003e200 bar \/ 20 MPa \/ 2900 psi rail target\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray Pattern\u003c\/td\u003e\n\u003ctd\u003eUnique 8-hole, OEM compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Compatibility\u003c\/td\u003e\n\u003ctd\u003eEthanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTune Requirement\u003c\/td\u003e\n\u003ctd\u003eYes; HP Tuners recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs the C8 Corvette really covered?\u003c\/h3\u003e\u003cp\u003eYes, for 2020-2021 cars confirmed not to be running 6mm stem injectors. LT2 engines on the 6mm stem need a different injector.\u003c\/p\u003e\u003ch3\u003eHow closely matched is a set?\u003c\/h3\u003e\u003cp\u003eSets are batched to within plus or minus 3%. That tolerance is what lets a tuner run tighter targets without chasing one cylinder.\u003c\/p\u003e\u003ch3\u003eCan I go straight to Stage 2 from stock?\u003c\/h3\u003e\u003cp\u003eYou can, and it makes sense if the build is already specified for serious power. On a milder car it is headroom you are not using, so check your logs with your tuner first.\u003c\/p\u003e","published_at":"2026-07-24T17:57:55+01:00","created_at":"2026-07-24T13:03:13+01:00","updated_at":"2026-10-24T04:06:55+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","Cadillac","Cadillac CTS-V","Cadillac Escalade","cat:fuel","Chevrolet","Chevrolet Camaro","Chevrolet Camaro SS","Chevrolet Camaro ZL1","Chevrolet Corvette","Chevrolet Corvette C7","Chevrolet Corvette C8","Chevrolet Silverado","Chevrolet Suburban","Chevrolet Tahoe","dept:performance-parts","fits:cadillac-escalade","fits:chevrolet-camaro","fits:chevrolet-corvette","fits:chevrolet-silverado","fits:chevrolet-suburban","fits:chevrolet-tahoe","fits:gmc-sierra","GM","GMC","GMC Sierra","make:cadillac","make:chevrolet","make:gm","make:gmc","type:high-flow-direct-injectors"],"variants":[{"id":54805987852630,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H750-1541","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"2942.46","grams":0,"compare_at_price":null,"position":1,"product_id":11142675398998,"created_at":"2026-07-24T13:03:13+01:00","updated_at":"2026-10-24T04:06:55+01:00"}],"images":[{"id":83087872819542,"created_at":"2026-07-24T16:01:54+01:00","position":1,"updated_at":"2026-07-24T16:01:56+01:00","product_id":11142675398998,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/H603-1251-A1_-_LT_DI_Injectors_photo_07__76039__47804.1735538299_0ad5aee3-0ba3-488b-b89f-f84673875e6e.jpg?v=1784905316","width":386,"height":386}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":10570246488406,"title":"Chevrolet Silverado 2500 6.6L L5P ECM \u0026 TCM Tuning 2024-2026 - Custom Diesel Calibration","handle":"chevrolet-silverado-2500-6-6l-l5p-ecm-tcm-tuning-2024-2026","body_html":"\u003ch2\u003eChevrolet Silverado 2500 L5P ECM \u0026amp; TCM Tuning for 2024-2026\u003c\/h2\u003e\n\u003cp\u003eSilverado owners who tow, haul or want a stronger-feeling 6.6L L5P can choose this Hoonies Adrenaline and Lukos Engineering ECM and TCM tuning service for the 2024-2026 Chevrolet Silverado 2500. It is a custom calibration service for the engine and transmission control modules, with remote and dyno options, designed to improve throttle response, torque delivery and transmission behaviour around the way the truck is actually used.\u003c\/p\u003e\n\u003cp\u003ePotential gains of up to 110HP show the scale of what can be possible when the vehicle condition, fuel, hardware, temperatures and calibration route support it. Your Silverado is treated as an individual vehicle rather than being sold the same fixed result as every other truck.\u003c\/p\u003e\n\n\u003ch2\u003eWhat This Silverado ECM and TCM Tune Improves\u003c\/h2\u003e\n\u003cp\u003eThe 6.6L L5P Silverado 2500 is a heavy-duty platform, so a useful tune is about more than peak power. The ECM controls engine calibration, while the TCM manages the transmission strategy. Tuning both together allows the engine response and gearbox behaviour to be considered as a package.\u003c\/p\u003e\n\u003cp\u003eThat matters for real use. A truck used for towing, loaded driving or performance-focused road use can feel more composed when torque delivery, throttle response and shift behaviour are matched to how it is driven.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom ECM tuning to support stronger engine response and improved driveability.\u003c\/li\u003e\n\u003cli\u003eCustom TCM tuning to refine transmission behaviour alongside the engine calibration.\u003c\/li\u003e\n\u003cli\u003eRemote and dyno tuning options to suit different customer locations and preferences.\u003c\/li\u003e\n\u003cli\u003eCalibration work built around the individual truck, not a generic flash-and-dash file.\u003c\/li\u003e\n\u003cli\u003eSupport for towing, loaded use and performance-focused driving where the vehicle condition and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho This Custom Silverado Tuning Is For\u003c\/h2\u003e\n\u003cp\u003eThis service is aimed at owners of a 2024-2026 Chevrolet Silverado 2500 with the 6.6L L5P engine who want a more tailored engine and gearbox calibration. It suits customers who are comparing basic plug-in style solutions against a more involved Hoonies Adrenaline and Lukos Engineering tuning route.\u003c\/p\u003e\n\u003cp\u003eThe key reason to choose this service is control. Instead of buying a broad file with limited attention to the truck, the calibration route is chosen around the vehicle, the intended use and the customer's feedback. That makes it especially relevant for owners who tow, run the truck loaded, cover long distances, or want a sharper and more responsive road feel from the L5P platform.\u003c\/p\u003e\n\n\u003ch2\u003eCustom Hoonies Adrenaline and Lukos Engineering Tuning Approach\u003c\/h2\u003e\n\u003cp\u003eHoonies Adrenaline works with Lukos Engineering to offer a custom tuning service, not a one-size file. The calibration is approached around the vehicle's condition, hardware, available data, driver feedback, fuel, temperatures, misfire behaviour, transmission behaviour and sensible operating limits.\u003c\/p\u003e\n\u003cp\u003eThe 2024-2026 platform uses the E42 Global B ECU and T93 Global B TCM. Lukos Engineering can unlock and tune both modules in-house, which supports a more complete engine and transmission solution than engine-only calibration.\u003c\/p\u003e\n\u003cp\u003eThe tuning route is compatible with HP Tuners credits. The ECM requires 8 HP Tuners credits and the TCM requires 4 HP Tuners credits. This matters when comparing options because the engine and gearbox modules have separate credit requirements and both are part of the complete ECM and TCM tuning route.\u003c\/p\u003e\n\n\u003ch2\u003eHow Fully Remote Tuning Works\u003c\/h2\u003e\n\u003cp\u003eThe Custom Remote Tune option is for Silverado owners who want the calibration handled without travelling for a dyno appointment. Remote tuning is still a custom process: the vehicle details, intended use and relevant data are considered before the calibration is finalised.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSelect the Custom Remote Tune option for a remote calibration route.\u003c\/li\u003e\n\u003cli\u003eHoonies Adrenaline and Lukos Engineering confirm the vehicle application and tuning requirements.\u003c\/li\u003e\n\u003cli\u003eRelevant vehicle information, feedback and any requested data are used to shape the calibration.\u003c\/li\u003e\n\u003cli\u003eThe ECM and TCM strategy is prepared around the 6.6L L5P platform and the customer's intended use.\u003c\/li\u003e\n\u003cli\u003eFeedback from the truck is reviewed so the tune can be kept suitable for the engine, transmission, hardware and vehicle condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis route is useful when travel is inconvenient but the owner still wants a proper custom Lukos Engineering tuning service rather than a generic file.\u003c\/p\u003e\n\n\u003ch2\u003eCustom Dyno Tune Option\u003c\/h2\u003e\n\u003cp\u003eThe Custom Dyno Tune option is the more hands-on route for owners who want in-person calibration work. A dyno environment allows the tuning team to assess the truck under controlled load while working through engine response, torque delivery and transmission behaviour.\u003c\/p\u003e\n\u003cp\u003eDyno tuning is a strong choice when the truck has specific use demands, when the owner wants a measured workshop process, or when the calibration needs more direct attention than a remote route. It is also useful for customers who prefer to discuss the vehicle, the setup and the driving goals in person before the calibration is finalised.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eTuning Partner\u003c\/th\u003e\n\u003ctd\u003eLukos Engineering with Hoonies Adrenaline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eCustom ECM and TCM tuning service\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVehicle Application\u003c\/th\u003e\n\u003ctd\u003eChevrolet Silverado 2500 6.6L L5P, 2024-2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003e6.6L L5P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl Modules\u003c\/th\u003e\n\u003ctd\u003eE42 Global B ECU and T93 Global B TCM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTuning Options\u003c\/th\u003e\n\u003ctd\u003eCustom Remote Tune or Custom Dyno Tune\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModule Work\u003c\/th\u003e\n\u003ctd\u003eECM and TCM unlock and tuning available in-house through Lukos Engineering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHP Tuners Credits\u003c\/th\u003e\n\u003ctd\u003e8 credits for ECM and 4 credits for TCM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePotential Gain\u003c\/th\u003e\n\u003ctd\u003eUp to 110HP, depending on vehicle condition, fuel, hardware, temperatures, logs and calibration route\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Category\u003c\/th\u003e\n\u003ctd\u003eVehicle tuning \/ motor vehicle electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFitment and Before Ordering Checks\u003c\/h2\u003e\n\u003cp\u003eThis ECM and TCM tuning service is for the 2024-2026 Chevrolet Silverado 2500 with the 6.6L L5P engine. The fitment is narrow because the module platform, engine application and tuning route need to match the truck.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, choose between Custom Remote Tune and Custom Dyno Tune based on your location, preferred process and how much in-person calibration support you want. If the truck has hardware changes, existing faults, transmission concerns or an unknown service history, speak to Hoonies Adrenaline before booking so the right route can be advised.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty, Insurance and Vehicle Modification Notes\u003c\/h2\u003e\n\u003cp\u003eECM and TCM tuning is a vehicle modification. As with any ECU tune, remap or transmission calibration, warranty decisions can be affected and remain with the dealer, manufacturer or warranty provider. Tuning is not a dealer-invisible or no-risk modification, and it should be approached as a deliberate performance and driveability change.\u003c\/p\u003e\n\u003cp\u003eInsurance and road-use requirements should also be considered where they apply. The best results come from a healthy vehicle with suitable fuel, sensible temperatures and no unresolved mechanical or electrical issues.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs this a physical tuner or a custom tuning service?\u003c\/h3\u003e\n\u003cp\u003eIt is a custom ECM and TCM tuning service for the 2024-2026 Chevrolet Silverado 2500 6.6L L5P. The focus is calibration work through Hoonies Adrenaline and Lukos Engineering, not simply selling a generic off-the-shelf file.\u003c\/p\u003e\n\u003ch3\u003eCan I choose remote or dyno tuning?\u003c\/h3\u003e\n\u003cp\u003eYes. The available options are Custom Remote Tune and Custom Dyno Tune. Remote tuning is useful if you cannot travel easily, while dyno tuning suits owners who want an in-person workshop process.\u003c\/p\u003e\n\u003ch3\u003eWhy tune both the ECM and TCM?\u003c\/h3\u003e\n\u003cp\u003eThe ECM controls engine calibration and the TCM manages transmission strategy. Tuning both allows the engine delivery and gearbox behaviour to be considered together, which is important for towing, loaded driving and overall driveability.\u003c\/p\u003e\n\u003ch3\u003eAre the gains the same for every Silverado 2500?\u003c\/h3\u003e\n\u003cp\u003eNo. Potential gains of up to 110HP are possible in the right conditions, but the final outcome depends on the truck's condition, fuel, hardware, temperatures, logs and whether the remote or dyno route is used.\u003c\/p\u003e\n\u003ch3\u003eWhat should I check before booking?\u003c\/h3\u003e\n\u003cp\u003eConfirm the truck is a 2024-2026 Chevrolet Silverado 2500 with the 6.6L L5P engine, then decide whether remote or dyno tuning suits you best. If the vehicle has modifications or known issues, contact Hoonies Adrenaline before ordering.\u003c\/p\u003e\n\u003ch3\u003eWill ECM and TCM tuning affect my warranty?\u003c\/h3\u003e\n\u003cp\u003eIt can. Warranty decisions sit with the dealer, manufacturer or warranty provider. Tuning should be treated as a modification, and any warranty, finance or insurance considerations should be checked before the work is carried out.\u003c\/p\u003e\n\u003ch2\u003ePayment Terms\u003c\/h2\u003e\n\u003cp\u003eFor UK customers, the price shown includes VAT, customs charges and supplier shipping costs, so you can order with confidence and avoid unexpected customs bills after purchase. If any customs-related questions or issues arise, Hoonies Adrenaline will handle them for you.\u003c\/p\u003e\n\u003cp\u003eFor orders outside the UK, please contact us through the contact form before purchasing so we can prepare a personalised quote.\u003c\/p\u003e\n\u003ch2\u003eShipping and Lead Times\u003c\/h2\u003e\n\u003cp\u003eWe aim to keep strong stock availability across the products we sell, but imported, specialist and custom-order items may have a lead time. If you need an estimated delivery window before ordering, please contact us and we will be happy to check this for you.\u003c\/p\u003e\n\u003cp\u003eIf you place an order for an item that is currently out of stock or already on order with a supplier, Hoonies Adrenaline will contact you as soon as possible with an update.\u003c\/p\u003e","published_at":"2026-05-15T10:17:24+01:00","created_at":"2026-05-15T10:17:23+01:00","updated_at":"2026-10-24T04:06:55+01:00","vendor":"Lukos Engineering","product_type":"Tuning","tags":["brand:lukos-engineering","cat:vehicle-tuning","dept:tuning","fits:chevrolet-silverado","fits:chevrolet-silverado-2500","make:chevrolet","type:ecu-remap"],"variants":[{"id":53673632694614,"title":"Custom Dyno Tune","option1":"Custom Dyno Tune","option2":null,"option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"3000.00","grams":0,"compare_at_price":null,"position":1,"product_id":10570246488406,"created_at":"2026-05-15T10:17:23+01:00","updated_at":"2026-10-24T04:06:55+01:00"},{"id":53673632727382,"title":"Custom Remote Tune","option1":"Custom Remote Tune","option2":null,"option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"2800.00","grams":0,"compare_at_price":null,"position":2,"product_id":10570246488406,"created_at":"2026-05-15T10:17:23+01:00","updated_at":"2026-10-24T04:06:55+01:00"}],"images":[{"id":77674314039638,"created_at":"2026-05-15T10:22:17+01:00","position":1,"updated_at":"2026-05-15T10:22:22+01:00","product_id":10570246488406,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/ChevroletSilverado2500.png?v=1778836942","width":1254,"height":1254}],"options":[{"name":"Tuning Options","position":1,"values":["Custom Dyno Tune","Custom Remote Tune"]}]}]}