6.7L Cummins – Engine AND 68RFE Trans Calibration (WITH MM3 Monitor/Hardware)

SINGLE TUNE FILE – Custom Calibration

Maximize the performance of your 6.7L Cummins with a SINGLE TUNE from Motorsports Arsenal. Designed to enhance power, driveability, and efficiency while maintaining emissions compliance, this tuning package provides five custom calibration options tailored to your driving needs.
HOW TO ORDER (single tune only – notate which tune file you want in the box underneath your VIN number on the checkout screen)

1. Pick which Tune File you want from the selections and descriptions below.
2. Add this product to your “Cart” by clicking above on “Add to Cart”
3. Click on your Cart in the upper right corner of the page and click “Checkout”
4. On the Checkout page there will be a box for you to type in your VIN – directly below that (in the “Modifications” box) tell us which Tune File you want and we’ll start loading the mag!

Why Choose one of the custom calibrations below from the Motorsports Arsenal?

• Custom Performance Calibration: Engineered and Validated custom adjustments from stock for optimized power delivery – all made right here in the USA!
• No “hack” tune files from other trucks or other countries. No mystery tuning from a person in another country who offers no support if there’s an issue.
• LIVE Product Support 7 DAYS A WEEK! If there is ever any issue you can talk to or video chat with a LIVE product support rep. here in the United States SEVEN DAYS A WEEK!
• Better Throttle Response: No dead pedal feeling; experience smooth acceleration and improved driving dynamics.
• Safe & Reliable: Designed to maximize power without compromising engine durability.
• Versatile Driving Modes: Includes diverse tuning options for daily driving, towing, and performance use.

Tune Breakdown & Approximate Performance Gains

(every truck is different on every dyno – however, these power levels have been validated on stock air/fuel):

1. Sport Tune

• Power Gains: +130RWHP Added (approx.)
• Best For: Maximum performance with OEM-level reliability
• Key Benefits:
  • Fast acceleration with a lighter truck feel
  • Retains Factory Turbo Braking for Trucks with VGT
  • Smooth power curve for superior drivability

2. Street Tune

• Power Gains: +110RWHP Added (approx.)
• Best For: Daily driving with extra power
• Key Benefits:
  • Fun and responsive throttle control
  • Air-Fuel Ratio limits reduce soot production
  • Retains Factory Turbo Braking for Trucks with VGT functionality

3. Light Tow Tune (For loads under 8,000 lbs.)

• Power Gains: +60RWHP Added (approx.)
• Best For: Balancing everyday driving and light towing
• Key Benefits:
  • Custom SMART EGT Control for automatic exhaust temperature management
  • Smooth power delivery and improved throttle response
  • Revised pedal sensitivity for precise low-speed trailer maneuvering

4. Heavy Tow Tune (For loads up to GVW)

• Power Gains: +40RWHP Added (approx.)
• Best For: Safe and efficient towing of heavy loads
• Key Benefits:
  • Maintains ideal Exhaust Gas Temperature (EGT) control
  • Keeps your truck in the optimal power range while towing
  • Enhanced pedal response for trailer maneuvering

5. Optimized Stock Tune

• Power Gains: Minimal adjustments to factory settings
• Best For: Troubleshooting or lending your truck to others
• Key Benefits:
  • Keeps factory feel while making slight efficiency improvements
  • Ensures consistent and reliable truck performance

INCLUDED Transmission Tuning

For enhanced drivability and performance, TCM tuning is suggested alongside ECM tuning. Benefits include improved shifting, better clutch holding capacity, optimized torque converter lockup, and prevention of short-shifting.

Ideal For:

• Performance enthusiasts seeking increased power and reliability.
• Improved Shift Quality – Reduces shift delay and enhances overall smoothness.
• Increased Clutch Holding Capacity – Electronically raises line pressure for improved durability.
• Optimized Power Delivery – Helps maintain the ideal RPM range for better efficiency and performance.
• Truck owners who frequently tow light or heavy loads.
• Daily drivers looking for a smoother and more responsive ride.

Warning:

This product contains chemicals known to the State of California to cause cancer. For more information, visit www.P65warnings.ca.gov.

Warning:

When purchasing this product YOU understand that YOU must comply with federal, state, and local emissions regulations and that YOU have consulted with your independent legal counsel before purchasing and or installing this product.

This product contains chemicals known to the State of California to cause cancer. For more information, visit www.P65warnings.ca.gov.

THIS PRODUCT IS NOT FOR SALE OR USE IN THE STATE OF CALIFORNIA

Upgrade your truck’s tuning with Motorsports Arsenal’s FIVE Tune Pack€”enhancing power, efficiency, and performance!