Heavy Tow Tune incl EFI Live Spade - Cummins 6.7L (2013-2017)

Safe for Towing Heavy
- Increase power, not EGTs (Exhaust Gas Temperature)
- Custom “SMART EGT Control” will automatically manage your EGTs
- Air:Fuel Ratio limits built into calibration to limit soot production
- Designed to tow 8,000 lbs – GVW
- Factory turbo brake retains complete functionality

Horsepower & Torque Increase
- +20 RWHP, +36 ft-lbs
- Manual Transmission - 370HP and 696 ft-lbs
- 68RFE Transmission - 390HP and 836 ft-lbs
- Aisin Transmission - 405HP and 900 ft-lbs
- Get your trailer up and moving more quickly
- Lug in the gear you want while towing
- Have enough power to “Shift Up, Throttle Back”
Revised pedal sensitivity
- Low speed trailer maneuvering
  Back up with trailer without lurching
Custom Tuning from DuramaxTuner.com
- Fully customized tuning with more than 100+ calibration changes from stock
- No hacking wires into control units or fuel pump and turbo sensors
- More power and less soot than box programmers
- World Class Customer Service team that actually answers the phone!

Fix the factory calibration without sacrificing reliability
Electronically controlled line pressure
- Increased clutch pack holding capacity
- Very Important for heavy towing and peak performance applications
Adjusted Shift Points
- Allows for stretching the wide torque curve provided by custom tuning
- Makes the truck feel more powerful
Torque converter lockup strategy
- Getting rid of the short-shifting
- Use all of the potential power your engine has to offer
G56 (Manual Transmission)
For these trucks, you will receive five Custom Engine Tunes in individual files which are each optimized for the G56 Transmission. Our optimized Engine tuning will take into account the difference in engine operation that manual-equipped trucks typically see to provide you with peak performance out of your specific drive train.

Over-the-road driver or tows things for living
Large boat owners
Pulls construction equipment
Welding rig with lots of added weight
Need to tow in the toughest situations
Tow trucks and heavy service trucks
Tows 10,000 miles or more every year
Tows through hills, mountains and inclines
You can use this to tow lighter, but you'll get slightly better MPG with our Light Tow tune
Better yet, get all five of our custom tunes with Switch on the Fly