2003-2007 5.9 Cummins Custom Tuning | HP Tuners

HP Tuners Custom Tuning for 2003-2007 Dodge Ram 5.9 Cummins

HPTuners is the leading choice for tuning hardware for 2003-2007 Dodge Ram trucks equipped with the 5.9L Cummins engine. We provide custom tuning ranging from mild to extreme, enhancing performance and drivability for your truck. Whether you’re running stock, a few bolt-ons, or a full competition setup, our tuning solutions unlock your truck’s true potential.

Supported Vehicles

• 2006-2007 Dodge Ram 2500/3500 5.9 Cummins
• ECM: CM849

TDN Platform

TDN is a browser-based and mobile tool for tuners and customers to manage vehicles, receive read files, and push tunes. Compatible with all HP Tuners OBDII interfaces, including MPVI3, MPVI2+, MPVI2, RTD Gen 3, RTD+, and RTD.

Included Custom Power Levels

• TOW: Clean, crisp everyday tune; optimized for towing. Typically 30-50hp gain on stock trucks.
• STREET: Balanced daily driving tune; adds noticeable power without maxing out components.
• LEMONS: Maximum effort tune for stock fuel systems. Delivers up to ~525rwhp (16-180hp gain over stock). Designed for serious performance; stock transmissions and clutches may be at risk.

Key Features

• Increased injection timing advance
• Higher rail pressure command
• Raised engine speed limiter
• Removed post injection events
• Removed road speed governor
• Optimized drivability

Requirements

• HPTuners MPVI with at least 2 Universal Credits
• Windows-based computer with updated HPTuners VCM Suite installed
• Shift-On-The-Fly (SOTF) currently unavailable for this tune