Switch on the Fly Tune Upgrade from All Four Tunes - Duramax L5P (2017-2019)

Switch On The Fly (5 Tunes) Upgrade from 4 Tune Pack

Switch between Light Tow, Heavy Tow, Sport Economy, Hot Street, Race or Base Stock (described below inclusions).  Switch tunes right from your steering wheel.

Required Installation *

* (You should already have this installed and running)

• HP Tuners MPVI2 Hardware
• Modified ECM
• Four Pack Motor Ops L5P Tunes

Recommended Options

Transmission Tuning & TCM Unlock

• Increased transmission line pressure for holding more HP and torque
• Revised shift schedule to improve drive-ability
• Keeps the truck on top of the turbo
• Improved shift timing
• Re-designed torque converter lock-up strategy
• Allows power transfer from the engine to the wheels more directly
• Modified TCM Unlock Hardware
• 4 required HP Universal Credits

About our included 5 Tunes

Heavy Tow Tune

• For those towing from 8,000 lbs up to GVWR (Gross Vehicle Weight Rating)
• + 90 RWHP, + 120 ft-lbs torque over factory
• Wider torque curve assists heavy loads
• Perfect balance of sport driving & functionality
• Exhaust temperatures drop up to 100F under full load

Light Tow Tune

• For those towing any load up to 8,000 lbs
• + 110 RWHP, + 200 ft-lbs torque over factory
• Designed for weekend tower, boats, small tractors, etc
• Perfect balance of sport driving & functionality
• Unhook and enjoy a sportier drive

Sport Economy Tune

• Fun “unloaded” daily driving
• For driving around town, highways
• Impress your friends
• Put a smile on your face
• + 140 RWHP, +300 ft-lbs torque over factory
• Puts your vehicle near the 550 RWHP mark
• Transmission tune strongly recommended to avoid premature wear 

Hot Street Tune

• Bridge between Sport Economy and Race
• A little more aggressive than Sport Economy
• Behaves nicely on the street
• + 170 RWHP, +400 ft-lbs torque over factory
• Puts your vehicle near the 580 RWHP mark
• Transmission tune strongly recommended to avoid premature wear

Race / Max Effort Tune

• Maxes out the factory Turbo
• + 210 RWHP, + 500 ft-lbs torque over factory
• Puts your vehicle near the 600 RWHP 1360 ft-lbs mark
• Up to 620 RWHP / 1380 ft. lbs with WC Fab turbo mouthpiece
• Transmission tune strongly recommended to avoid premature wear

Base Stock Tune

• Refined factory settings
• Smoother running engine & power delivery
• Reduced exhaust temperatures
• Leaves factory rev limit in place