Tow Performance Package 2003-2007 5.9L Cummins

Tow Performance Package – 2003–2007 5.9L Cummins (Common Rail)

The Tow Performance Package builds on our Fuel Economy foundation and adds the airflow and fueling required for safe, confident towing with increased power. This package is designed for 2003–2007 common-rail Cummins trucks that tow heavy and need lower EGTs, improved drivability, and long-term reliability under load.

This is a work-focused package — not a race setup — engineered to deliver usable towing power without sacrificing engine or fuel system longevity.

What This Package Delivers

• Increased towing power and torque
• Lower EGTs while pulling heavy loads
• Improved throttle response and turbo efficiency
• Reduced downshifting on grades
• Reliable fuel delivery under sustained load

What’s Included

• S&B Cold Air Intake
• Banks Intercooler with Monster Ram Air Intake & Piping
• BD Exhaust Manifold
• FASS Fuel System (Stock–600 HP)
• Power Driven Aggressor HE351 62/67 Turbocharger (700 HP)
• Cummins SuperSport CP3 Injection Pump

Towing & Fuel Economy Expectations

This package is designed to maintain fuel economy while towing, which is where most stock trucks lose MPG.

• Unloaded driving: slight MPG gains possible
• Towing: MPG typically maintained vs stock
• Primary improvement: cooler EGTs and safer towing

Fuel economy results vary based on load weight, gearing, driving style, and vehicle condition.

Who This Package Is For

• Trucks that tow regularly or heavy
• Owners wanting improved towing performance without race-level mods
• Daily drivers that still work for a living
• Customers focused on reliability and drivability

Who This Package Is NOT For

• Race or competition builds
• Maximum horsepower-focused trucks
• Customers looking for aggressive fueling or smoke

Supporting Mods Recommended

• Transmission health upgrades depending on load and usage
• EGT, boost, and fuel pressure monitoring
• Mild tow or economy tuning (optional but beneficial)

Fitment & Installation Notes

• Fits 2003–2007 5.9L Cummins (common rail)
• Professional installation strongly recommended
• Proper tuning may be required depending on vehicle setup

Why This Package Makes Sense

This Tow Performance Package delivers real-world towing benefits by improving airflow, stabilizing fuel delivery, and reducing exhaust temperatures. It’s designed to keep your truck pulling strong, running cooler, and staying reliable mile after mile.