Stage 1 Performance (Tune) Software for 1.4L TSI


Stage 1 Performance (Tune) Software for 1.4L TSI - UNISTAGE114L

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Manufacturer: Unitronic

Ships In: 1 Business Day From our Facility

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The Stage 1 tuning software for the 1.4L TSI engine requires no further hardware on the vehicle.  The Unitronic 1.4L TSI stage 1 software is flashed on to vehicles at our location in Cornelius NC or through the Uniconnect+ Cable (Required for self installation).  This performance software is optimized for 91 octane fuel.  Give your 1.4L TSI engine the power it deserves with this Performance Tune. 
We are located in Cornelius NC (Just North of Charlotte, NC).  Please us contact for any questions or to schedule an appointment for your VW or Audi Performance Software.
1.4L TSI Unitronic Stage 1 Performance Software 
Stock: 150hp / 184lbft torque
Stage 1 : 175hp / 225lbft torque
Horsepower Increase: 25hp
Torque Increase: 41lbft 

  • Engineered with Strict Industry Standards: 
    With over 10 years of experience in Bosch and Siemens engine management calibration, Unitronic is able to utilized its industry leading tools and equipment to assure an optimal calibration; delivering maximum performance, while maintaining complete OEM-like reliability and drivability.
  • Extensively Tested Under Various Driving Conditions: 
    Development begins using its in-house Maha Chassis dyno housed in an environmentally controlled cell; closely monitoring a plethora of operational data, utilizing industry leading calibration tools and resources. Beta calibrations are then tested in race and street scenarios, using multiple cars throughout the world under various driving conditions. This engine calibration strategy ensures Unitronic Performance Software delivers maximum performance, OEM-like drivability and reliability anywhere in the world. Unitronic Performance Software is only released to its Clients once development is thoroughly completed in accordance to Unitronic’s strict standards.
  • Factory Safety Limiters Retained: 
    OEM “fail safes” are retained within the ECU calibration. Close monitoring of all operation parameters ensures that engine operation stays within factory components limits, resulting in an OEM-like drivability and reliability.
  • Optimized Responsiveness and Drivability: 
    Professionally calibrated to improve engine response and reduce drive-by-wire lag. Optimized torque curve for more low end torque and faster turbo spool.
  • Optimized Smoothness and Driving Comfort: 
    Due to the large flat torque curve, the calibration offers a smooth operation under normal and hard acceleration. This results in linear acceleration with constant torque without low end torque peak that will cause loss of traction and uncontrollable power surge, at the expense of high engine speed power.
  • Optimized Maximum Output: 
    Unitronic development team delivers the maximum power output while staying within the operational limits of the factory components used. Specifically, this results in the highest engine performance without sacrificing the reliability of the engine, turbocharger, or other engine components.
  • Power Delivery Perfectly Optimized Throughout the Power Band: 
    Aligned with the OEM strategy, the calibration is designed to offer a large flat torque plateau to provide a smooth and linear power band. Maximum torque output is achieved sooner and maintained longer which creates a broader torque plateau and greater area under the curve. This results in an improved acceleration and optimal engine operation.
  • Improved Fuel Efficiency: 
    Optimized timing and injection under cruising condition for an improved fuel efficiency.
  • Ignition Timing Precisely Calibrated for Higher Octane Fuel: 
    Engine calibration optimized to take advantage of higher fuel quality to extract maximum energy from the combustion. Therefore, when using a higher octane fuel, more power and better fuel efficiency will be achieved.
  • Speed Governor Removed 
    Vehicle speed limiter within ECU is removed. (If automatic, subject to transmission rotational speed limit)


Performance Software for your ECU Box Code is subject to availability.

This Uniconnect+ Cable is required and not included if you are planning to flash your vehicle on your own.  Uniconnect+ Cable HERE

Vehicle Application Data
Manufacturer Unitronic
Shipping 1 Business Day From our Facility
Vehicle Application Data
Make Model Engine
Volkswagen MK6 Jetta (Facelift) 2015-2018 1.4T
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