{"product_id":"2017-2021-duramax-lwn-2-8l-custom-tune-hp-tuners-d","title":"2017–2021 Duramax 2.8L LWN Custom Tune (HP Tuners) (D)","description":"\u003cp data-start=\"194\" data-end=\"519\"\u003eThe 2.8L LWN Duramax was built to be efficient and durable, not exciting—then the factory calibration went out of its way to make it feel even smaller than it is. Conservative throttle mapping, delayed torque delivery, and heavy-handed control logic keep this engine from responding the way it should. Black Label fixes that.\u003c\/p\u003e\n\u003cp data-start=\"521\" data-end=\"865\"\u003eThis \u003cstrong data-start=\"526\" data-end=\"582\"\u003ecustom tune for 2017–2021 LWN 2.8L Duramax platforms\u003c\/strong\u003e sharpens throttle response, restores usable low- and mid-range torque, and smooths out the hesitant factory behavior that makes these trucks and vans feel sluggish off the line. Acceleration becomes immediate but controlled, and the engine responds with confidence instead of delay.\u003c\/p\u003e\n\u003cp data-start=\"867\" data-end=\"1115\"\u003eWritten specifically for \u003cstrong data-start=\"892\" data-end=\"905\"\u003eHP Tuners\u003c\/strong\u003e, this calibration focuses on drivability and balance. Power delivery is linear, shift behavior is refined, and the drivetrain stays composed in daily driving and light towing. No sudden surges. No instability.\u003c\/p\u003e\n\u003cp data-start=\"1117\" data-end=\"1215\"\u003eThis isn’t about turning the LWN into something it’s not.\u003cbr data-start=\"1174\" data-end=\"1177\"\u003eIt’s about making it behave correctly.\u003c\/p\u003e\n\u003cp data-start=\"1217\" data-end=\"1271\"\u003eNo generic files.\u003cbr data-start=\"1234\" data-end=\"1237\"\u003eNo exaggerated claims.\u003cbr data-start=\"1259\" data-end=\"1262\"\u003eNo drama.\u003c\/p\u003e\n\u003cp data-start=\"1273\" data-end=\"1410\"\u003eBlack Label tuning is for LWN owners who want better response, cleaner torque, and a diesel that feels intentional instead of restrained.\u003c\/p\u003e\n\u003cp data-start=\"1412\" data-end=\"1478\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eClean response.\u003cbr data-start=\"1427\" data-end=\"1430\"\u003eCorrected behavior.\u003cbr data-start=\"1449\" data-end=\"1452\"\u003eEfficiency with authority.\u003c\/p\u003e","brand":"Black Label","offers":[{"title":"Default Title","offer_id":40843660558400,"sku":null,"price":500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7269\/9712\/files\/HPTUNERS.png?v=1766009633","url":"https:\/\/blacklabeldieseltuning.ca\/products\/2017-2021-duramax-lwn-2-8l-custom-tune-hp-tuners-d","provider":"BLACK LABEL DIESEL TUNING","version":"1.0","type":"link"}