{"product_id":"2011-2016-gm-6-6l-lml-duramax-engine-tuning-by-ppei","title":"PPEI Engine Tuning PP-LML-ET | 2011 - 2016 Duramax 6.6L LML","description":"\u003ch2\u003ePPEI Engine Calibration for 2011–2016 LML Duramax (CARB EO Pending)\u003c\/h2\u003e\n\n\u003ch3\u003eUnlock Up to +150 HP of Proven Power\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePPEI’s LML Duramax tuning\u003c\/strong\u003e delivers unmatched performance gains and refined drivability for your 2011–2016 Duramax. Engineered for optimal efficiency, this calibration adds \u003cstrong\u003eup to +150 horsepower\u003c\/strong\u003e while maintaining factory-like reliability and drivability. Whether towing, daily driving, or performance cruising, PPEI tuning transforms your truck’s response, acceleration, and power delivery.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMassive Power Gains:\u003c\/strong\u003e Adds up to +150 HP over stock power levels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffortless Towing:\u003c\/strong\u003e Improved torque and throttle control for confident hauling under load.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrastically Improved Acceleration:\u003c\/strong\u003e Sharper throttle response and reduced turbo lag.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Efficiency:\u003c\/strong\u003e Calibrated for maximum performance and fuel economy balance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefined Daily Drivability:\u003c\/strong\u003e Smooth power delivery without sacrificing reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePower Levels\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLevel 1: +30 HP\u003c\/li\u003e\n  \u003cli\u003eLevel 2: +60 HP\u003c\/li\u003e\n  \u003cli\u003eLevel 3: +100 HP\u003c\/li\u003e\n  \u003cli\u003eLevel 4: +120 HP\u003c\/li\u003e\n  \u003cli\u003eLevel 5: +150 HP\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance Note\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCARB EO Pending\u003c\/strong\u003e — PPEI tuning is designed with emissions compliance in mind. Pending California Air Resources Board approval for street use in all 50 states.\u003c\/p\u003e\n\n\u003ch3\u003eExperience PPEI Performance\u003c\/h3\u003e\n\u003cp\u003eUpgrade your LML Duramax with \u003cstrong\u003ePPEI Engine Calibration\u003c\/strong\u003e and experience powerful acceleration, effortless towing, and optimal efficiency — all backed by precision engineering from one of the most trusted names in diesel tuning.\u003c\/p\u003e","brand":"PPEI Tuning","offers":[{"title":"Default Title","offer_id":51231855345947,"sku":"PP-LML-ET","price":356.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/2011_-_2016_GM_6.6L_LML_Duramax_Engine_Tuning_by_PPEI_800x_f13f4e54-e8c5-4a6b-bb91-e23b09063992.webp?v=1762289698","url":"https:\/\/wwmperformance.com\/products\/2011-2016-gm-6-6l-lml-duramax-engine-tuning-by-ppei","provider":"WWM Performance","version":"1.0","type":"link"}