{"product_id":"2024-2025-duramax-l5p-custom-tune-hp-tuners-rtd-only","title":"2024–2026 Duramax L5P Custom Tune (Black Label RTD)","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"dab68d6c-fe45-4a1f-8b55-4db6e95c7211\" 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)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--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=\"65f1fe14-b34a-4ee0-a957-d8c81d0266d7\" 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-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words dark markdown-new-styling\"\u003e\n\u003cp data-start=\"189\" data-end=\"327\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(115, 187, 42);\"\u003e\u003ca href=\"https:\/\/docs.google.com\/document\/d\/1e7G1-br7BA8Nq3EtKlFxOI9flWbsAI2kqz74VPNS_do\/edit?usp=sharing\" style=\"color: rgb(115, 187, 42);\"\u003e2024-2026 L5P Duramax Important Technical Bulletin:\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"189\" data-end=\"327\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"189\" data-end=\"327\"\u003eThis isn’t a “feel-good” tune. This is a precision cut for the newest L5P trucks that came from the factory wearing a leash. We remove it.\u003c\/p\u003e\n\u003cp data-start=\"329\" data-end=\"720\"\u003eBuilt specifically for \u003cstrong data-start=\"352\" data-end=\"387\"\u003e2024–2026 Duramax L5P platforms\u003c\/strong\u003e, this Black Label calibration tightens throttle response, sharpens torque delivery, and cleans up the lazy factory logic that leaves power on the table. The result is a truck that reacts when you ask, pulls harder through the midrange, and drives like GM should’ve shipped it—without turning it into a temperamental science project.\u003c\/p\u003e\n\u003cp data-start=\"722\" data-end=\"1001\"\u003eEvery file is developed with control in mind. Power comes on smooth but decisive. Shifts are firm where they should be, civilized where they need to be. No erratic behavior. No half-baked “race tune” nonsense. Just deliberate, repeatable performance tuned for real-world driving.\u003c\/p\u003e\n\u003cp data-start=\"1003\" data-end=\"1171\"\u003eThis file is for Black Label RTD. No shortcuts, no universal junk files, no compatibility games. If you’re running HP Tuners, this tune speaks its language fluently.\u003c\/p\u003e\n\u003cp data-start=\"1173\" data-end=\"1283\"\u003eBlack Label exists for one reason: drivers who want authority without chaos. If that’s you, this is your tune.\u003c\/p\u003e\n\u003cp data-start=\"1285\" data-end=\"1324\" data-is-last-node=\"\" data-is-only-node=\"\"\u003ePerformance isn’t loud.\u003cbr data-start=\"1308\" data-end=\"1311\"\u003eIt’s precise.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" data-edge=\"true\" class=\"pointer-events-none h-px w-px absolute bottom-0\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Black Label","offers":[{"title":"Default Title","offer_id":40843365711936,"sku":null,"price":1200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7269\/9712\/files\/BLACK_LABEL_1536x1024_PADDED.png?v=1766072601","url":"https:\/\/blacklabeldieseltuning.ca\/products\/2024-2025-duramax-l5p-custom-tune-hp-tuners-rtd-only","provider":"BLACK LABEL DIESEL TUNING","version":"1.0","type":"link"}