{"product_id":"2003-2005-5-9-cummins-hp-tuners-custom-tuning-support","title":"2003-2005 5.9 Cummins HP TUNERS Custom Tuning Support","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eHP tuners device sold separately\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlock Up to +180 HP and Transform Your 5.9L Cummins!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExperience massive gains in power and acceleration with custom tuning engineered for performance and efficiency. Choose from five optimized power levels to match your driving style:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLevel 1: +30 HP – Great for daily driving\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLevel 2: +60 HP – Light towing and improved response\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLevel 3: +100 HP – Ideal balance of power and drivability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLevel 4: +140 HP – High-performance towing and hauling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLevel 5: +180 HP – Maximum power and acceleration\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eImportant Note Before Tuning:\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf your 5.9L Cummins is currently tuned, it must be returned to stock OEM programming before flashing with our files. Failure to do so may corrupt the ECM and cause licensing issues with HP Tuners software.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e📎 Make sure to provide the stock read\/info log only after restoring the truck to factory settings.\u003c\/span\u003e\u003c\/p\u003e","brand":"H2 Supply Co","offers":[{"title":"Default Title","offer_id":48264811675902,"sku":null,"price":800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8008\/2942\/files\/Screenshot2026-05-20143501_863b347d-e352-4726-a790-f1c1d374c48f.png?v=1779836533","url":"https:\/\/h2supplyco.com\/products\/2003-2005-5-9-cummins-hp-tuners-custom-tuning-support","provider":"H2 Supply CO","version":"1.0","type":"link"}