Upgrade your current Unitronic Software and benefit from huge savings as an existing Unitronic customer with our Unitronic Stage Upgrade for your vehicle.  Simply select your current tune as well as the tune which you intend to upgrade to.  Please refer to the individual Unitronic tunes listed on the MK8 GTI product page to obtain more details about your desired stage.

Performance Stage 1 ECU Software Precisely Engineered for your MK8 GTI.  This vehicle has added support through UniCONNECT+ which allows you to program your own vehicle right in your own garage.

Unitronic software is flashed directly through the (OBDII) diagnostic port of your vehicle (10-15 minutes).

Unitronic Stage 1 Performance Software is precisely calibrated for use with 91 oct/95 ron fuel and provides huge power gains over stock while maintaining an OEM-like driving experience with exceptional reliability.

Unitronic® Stage 3 ECU/TCU Software is available for the MK8 GTI® equipped with the 2.0TSI® EVO4 engine and Garrett PowerMax Turbocharger upgrade. With testing and validations completed, power outputs on the MK8 GTI are now increased by up to +204HP / +141LB-FT with Unitronic Stage 3 93 octane Performance Software for a total of 470HP / 425LB-FT. Stage 3 E85 support for the Garrett PowerMax Turbocharger is currently in development and coming soon. These new calibrations also include a new Start/Stop feature, which enables the vehicle to now remember the last set position and high-speed data logging via UniCONNECT+ for customers looking to gain greater insights about their vehicle's true performance as well.*

Features:

• Gains over stock: +95HP / +79TQ (91 Octane Fuel) (Stage 1)
• Gains over stock: +120HP / +104TQ (93 Octane Fuel) (Stage 1+)
• Gains over stock: +144HP / +126TQ (93 Octane Fuel) (Stage 2)
• Gains over stock: +204HP / +141TQ (93 Octane Fuel) (Stage 3)
• Gains over stock: +141HP / +130TQ (E85 Fuel) (Stage 1+ E85)
• Gains over stock: +151HP / +142TQ (E85 Fuel) (Stage 2 E85)
• Gains over stock: +263HP / +164TQ (E85 Fuel) (Stage 3 E85)
• Engineered with Strict Industry Standards
• Extensively Tested Under Various Driving Conditions
• Factory Safety Limiters Retained
• Advanced Torque Management by Gear (For maximum acceleration)
• Engine Temperature Protection (Rev Limit based on Engine Coolant Temperature)
• Optimized Responsiveness and Drivability
• Optimized Smoothness and Driving Comfort
• Power Delivery Perfectly Optimized Throughout the Power Band
• Improved Fuel Efficiency
• Ignition Timing Precisely Calibrated for Higher Octane Fuel
• Speed Governor Removed
• Hardware Requirements: None
• NOTE: STAGE 2 AND UP REQUIRES UPGRADED DOWNPIPE.
• Garrett Turbocharger Upgrade is required for Stage 3.

Flex Fuel Available Through UniFLEX Upgrade

• Stage 1 91oct UniFLEX Low Torque GBX (For 91 - E85)
• Stage 1 91oct UniFLEX Full Torque (For 91 - E85)
• Stage 1+ 93oct UniFLEX Low Torque GBX (For 93 - E85)
• Stage 1+ 93oct UniFLEX Full Torque (For 93 - E85)
   
• Stage 2 91oct UniFLEX Low Torque GBX (For 91 - E85)
• Stage 2 91oct UniFLEX Full Torque (For 91 - E85)
• Stage 2 93oct UniFLEX Low Torque GBX (For 93 - E85)
• Stage 2 93oct UniFLEX Full Torque (For 93 - E85)
   
• Stage 3 91oct UniFLEX Low Torque GBX (For 91 - E85)
• Stage 3 91oct UniFLEX Full Torque (For 91 - E85)
• Stage 3 93oct UniFLEX Low Torque GBX (For 93 octane to E85)
• Stage 3 93oct UniFLEX Full Torque (For 93 octane to E85)
  

What's Included:

• Unitronic ECU Tune UPGRADE
• Unitronic UniCONNECT+ Cable (OPTIONAL)