{"product_id":"2017-2023-gm-6-6l-l5p-l5d-duramax-optional-engine-calibration-only-by-ppei","title":"PPEI Optional Engine Calibration Only PP-L5P\u0026D-ET | 2017-2023 Duramax 6.6L L5P, L5D","description":"\u003ch2\u003ePPEI Speed Limiter \u0026amp; Fuel System Compatibility Calibration for L5P \u0026amp; L5D Duramax (CARB EO Pending)\u003c\/h2\u003e\n\n\u003ch3\u003eOptimize Response \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePPEI’s specialized calibration\u003c\/strong\u003e is designed for customers seeking to \u003cstrong\u003edisable the factory speed limiter\u003c\/strong\u003e and improve \u003cstrong\u003ethrottle response sensitivity\u003c\/strong\u003e without adding extra power. This tune also provides the proper adjustments required for trucks equipped with \u003cstrong\u003eaftermarket fuel systems\u003c\/strong\u003e such as \u003cstrong\u003eFASS Fuel Systems\u003c\/strong\u003e, ensuring full compatibility and seamless operation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCARB EO Pending\u003c\/strong\u003e – engineered for emissions-compliant functionality\u003c\/li\u003e\n  \u003cli\u003eRemoves or raises factory speed limiter\u003c\/li\u003e\n  \u003cli\u003eEnhances throttle response for smoother acceleration\u003c\/li\u003e\n  \u003cli\u003eEnsures calibration compatibility with aftermarket fuel systems\u003c\/li\u003e\n  \u003cli\u003eNo horsepower or torque increase – maintains stock power output\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eThis PPEI calibration is compatible with \u003cstrong\u003eboth L5P and L5D Duramax vehicles\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\n\u003cp\u003eThis calibration does \u003cstrong\u003enot include any performance or power enhancements\u003c\/strong\u003e. For customers seeking increased horsepower and torque, please see our \u003cstrong\u003ePPEI Performance Calibration\u003c\/strong\u003e for L5P\/L5D (Base Price: $799).\u003c\/p\u003e","brand":"PPEI Tuning","offers":[{"title":"Default Title","offer_id":51231855509787,"sku":"PP-L5P\u0026D-ET","price":398.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/2019GM6.6LL5DDuramax_EngineTuning-689127-468696_800x_e8dc6f8d-7ced-45d1-afde-470d32cb25a6.webp?v=1762373028","url":"https:\/\/wwmperformance.com\/products\/2017-2023-gm-6-6l-l5p-l5d-duramax-optional-engine-calibration-only-by-ppei","provider":"WWM Performance","version":"1.0","type":"link"}