Fuel Economy Package For 1994-1998 5.9L Cummins

Fuel Economy Package (1994–1998 5.9L Cummins – 12-Valve)

This Fuel Economy Package is designed for second-generation 12-valve Cummins owners who want improved fuel mileage, lower EGTs, and better drivability without sacrificing reliability. This setup focuses on airflow efficiency, thermal control, and consistent fueling to help the engine work more efficiently in daily driving and towing situations.

Most customers see real-world MPG improvements when combined with responsible driving habits.

WHAT’S INCLUDED

Banks Intake Manifold
• Improved airflow distribution across all cylinders
• Reduced intake restriction compared to factory manifold
• Helps lower EGTs under load
• Improves overall engine efficiency

S&B Cold Air Intake
• Increased airflow to the turbocharger
• Sealed intake design for cooler intake air
• Improved throttle response
• Supports better combustion efficiency

XDP Intercooler
• Lowers intake air temperatures
• Reduces EGTs during towing and highway driving
• Improves air density for more efficient combustion
• Direct replacement intercooler upgrade

FASS Fuel System (Stock–700 HP)
• Provides consistent, clean fuel delivery
• Eliminates air intrusion common in factory fuel systems
• Improves throttle response
• Supports long-term reliability and future upgrades

BD Diesel Exhaust Manifold
• Improved exhaust flow
• Reduced exhaust restriction
• Eliminates common factory manifold cracking
• Helps turbo operate more efficiently

4” Turbo-Back Exhaust System
• Reduced exhaust backpressure
• Lower EGTs under load
• Improved turbo efficiency
• Proven fuel mileage improvement on 12-valve Cummins

4K Governor Spring Kit
• Improves drivability
• Keeps the engine operating in a more efficient RPM range
• Reduces unnecessary throttle input
• Better highway and towing control

WHAT THIS PACKAGE DELIVERS
• Improved fuel economy
• Lower EGTs under load
• Better throttle response
• Smoother power delivery
• Increased reliability compared to stock

This package is designed to improve efficiency and drivability—not increase peak horsepower.

WHY THIS PACKAGE WORKS
• Improved airflow into and out of the engine
• Lower intake and exhaust temperatures
• Stable fuel delivery
• Engine operates in a more efficient RPM range

Everything works together to help the engine work smarter, not harder.

FITMENT
• 1994–1998 Dodge Ram 250 / 350
• 5.9L 12-Valve Cummins
• Manual & automatic transmissions

IMPORTANT NOTES
• Professional installation recommended
• Supporting gauges (EGT & boost) are strongly recommended
• Fuel economy gains depend heavily on driving habits

FUEL ECONOMY DISCLAIMER
Fuel economy gains vary based on driving style, gearing, tire size, load, and vehicle condition. Aggressive driving may reduce fuel economy.