Switch on the Fly Tune Upgrade from Single Tune - Duramax L5P (2017-19)

Switch On The Fly (5 Tunes) Upgrade from Single

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
• Single Motor Ops L5P Tune

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