{"product_id":"shibby-gm-duramax-tuner-harness-plug-kit-2011-2016-gm-duramax-lml-lgh-6-6l","title":"Shibby GM Duramax Tuner Harness Plug Kit (2011–2016 GM Duramax LML LGH 6.6L)","description":"\u003cp\u003eProtective tuner harness plug kit for tuned or optimized GM Duramax trucks. Installs over exposed connectors to keep moisture, debris, and corrosion out of unused exhaust and select EGR harness circuits.\u003c\/p\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis base kit supplies weatherproof caps with factory‑style interfaces. It protects all the exhaust harness connectors and some EGR harness components on optimized 6.6L Duramax trucks. This is a protective solution, not a tuning device.\u003c\/p\u003e\n\u003ch2\u003eKey Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWeatherproof caps with factory‑style interfaces for clean, sealed connections\u003c\/li\u003e\n\u003cli\u003eProtects all exhaust harness connectors and select EGR harness components\u003c\/li\u003e\n\u003cli\u003eDesigned for trucks that have been tuned or otherwise optimized\u003c\/li\u003e\n\u003cli\u003eBase kit — additional caps for DEF tank or SOTF setups sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e2011–2016 GM Duramax — LML and LGH engine codes — 6.6L\u003c\/p\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBase kit of weatherproof harness caps with factory‑style interfaces covering exhaust and select EGR harness connectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDoes NOT cover vehicles where the EGR is still fully installed and in use\u003c\/li\u003e\n\u003cli\u003eDoes NOT cover DEF tank harness components\u003c\/li\u003e\n\u003cli\u003eDoes NOT include SOTF tuning caps; those pieces are available separately in store\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shibby Engineering","offers":[{"title":"Default Title","offer_id":49935646195949,"sku":"SKU:GMLMLKIT","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/0624\/9709\/files\/GMLMLKIT.webp?v=1778076786","url":"https:\/\/maxxeddieseldirect.com\/products\/shibby-gm-duramax-tuner-harness-plug-kit-2011-2016-gm-duramax-lml-lgh-6-6l","provider":"Maxxed Diesel","version":"1.0","type":"link"}