GTI/GLI/A3 MQB Stage-X Tune


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What is Adapt-X and what makes it better than the competition?

Our Stage-X line of calibrations are essentially an improved version of the VW/Audi calibration. We start from the OEM stock map and increase the vehicles ability to target higher engine loads/torque at wide open throttle. The result is a calibration that maintains 100% stock OEM feel and reliability, but maximum power that the car is capable of at wide open throttle. Despite being significantly safer than competitor maps, our calibration allows for maximum power possible, and typically outperforms competitor calibrations.

Stage-X calibrations are federal emissions compliant and will pass federal emissions testing (Not CARB approved). Removing or tampering with emissions equipment on your vehicle will result in a check engine light and the vehicle failing an emissions test like the oem calibration.

One of the largest benefits of Stage-X is that you can continue to modify your vehicle with out changes to your calibration. Stage-X will support most bolt on modifications and when a part is changed you can re-flash the calibration or perform a KAM reset using the cobb accessport so that the vehicle can re learn turbo and airflow parameters stored in the KAM table.

All of our Stage-X calibrations drive as smooth as stock with improved turbocharger response during throttle in conditions as well as offering a driving experience unlike anything offered by the competition.

Adapt-X Calibration Features:
  • 100% VW/Audi Refined OEM drivability
  • Factory fuel economy performance
  • Improved engine cooling over factory
  • Less knock over competitor tunes with advanced knock control strategy
  • Adaptive boost control strategy designed to be compatible with most bolt on modifications, and more responsive than factory controls
  • All the power of a pro tune with out the cost or the turn around time
  • 1 month of tuning support is included with the purchase
  • Same day tune delivery during business hours after receiving the tuning form response
  • Cobb Accessport V3 Tuner
  • Windows or Mac computer
  • 1 step colder spark plugs gapped 0.026
  • Premium fuel recommended (91+ octane)
  • Stock Turbo
  • Stock wastegate actuator
  • Stock fuel system (No fuel system modifications or auxiliary fuels like WMI)

Compatible Modifications:

  • Intake (Stock is recommended for best performance)
  • Intercooler
  • Downpipe
  • Exhaust
  • Charge pipes
  • BOV or Upgraded BPV

What kind of power should I expect?

The power that you get will be heavily dependent on cooling and fuel quality. We highly recommend keeping the factory airbox (and with the oem lid) as it flows very well up to 450 HP while keeping temps very low, and provides a fresh air feed from the grill. After market intakes may see a reduction in power due to increased intake air temperatures.

Power figures will vary depending on fuel quality and are measured at the engine crankshaft. Multiply numbers by 0.88 for dyno numbers.

  • Stock: 228 HP
  • 91 Fuel: 330 HP
  • 93 Fuel: 355 HP
  • E30 Fuel: 390 HP

Driving Tips:

For fastest acceleration the optimum shift points on our tunes for peak power is 5800 rpm. Shifting later than this will result in slower acceleration.
When racing we recommend using the flat foot shifting features to shift.

*** Ethanol Mix Notes ***

The GTI/GLI/A3 gas tank is 13.2 gallons. For our MQB tunes we require mixing 5 gallons of e85 to a full tank of 91/93 octane fuel. This essentially comes out to 1.25 gallons of e85 per 1/4 tank which makes mixing fuel much easier and you’ll never need to use a calculator again. Depending on what comes out of the pump this will result in a mix between e30 and e38 which will ensure the car has enough ethanol mixed for safe operation. More ethanol is better than too little ethanol.

When mixing always allow 15 miles of driving for the fuel to mix before going wide open throttle. Failure to allow the fuel to properly mix can result in excessive knock.

For E85 pumps that do not state an e70 minimum statement we recommend testing your fuel at least once a month using an ethanol test kit.

** Computer Required ***

This product requires basic knowledge of how to install an application to your windows or mac computer.
If you are not comfortable with using a windows or mac computer to install cobb accessport manager on your computer to copy devices files and datalogs to and from the cobb accessport device, please do not purchase this product.


We have seen very undesirable results with the OEM spark plugs when developing our maps.
One step colder plugs are a requirement on our tunes to ensure smooth operation.
Additionally we recommend changing your spark plugs every 12,000 miles when running a performance tune.

We recommend NGK RS7 spark plugs gapped at 0.026.

By purchasing this product you have fully read and agree to our Store Policy.

** Please note that all tune sales are final and tune or device sales are non-refundable after ordering. **

Additional information


87-93 octane, E30, 87-93 octane & E30 Bundle