Cobb V3 Accessport - VW/Audi MQBe Golf R 2.0T (Mk8) / S3 2.0T (8Y)
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Supported Box Codes
Supported Box Codes
Some Box codes may not be supported, please email Support@EQTuning.com to verify support prior to purchasing. The below box codes have been confirmed.
Mk8 Golf R
SCRF24_5H0906259A_0001
SCRF24_5H0906259A_0003
SCRF24_5H0906259A_0004
SCRH20_5H0906259E_0001
SCRI40_5H0906259J_0001
8Y Audi S3
SCRF24_8Y0906259A_0001
SCRF24_8Y0906259A_0002
SCRH20_8Y0906259H_0001
SCRI40_8Y0906259L_0001

Why Tune With EQT?
- Easy-to-use, handheld device for monitoring, logging, and flashing.
- Flash your vehicle at home using the Accessport (does not need to stay connected to OBDII once the vehicle is flashed).
- Quick map switching in as little as 60 seconds via Accessport.
- Custom calibrations tailored for all climate conditions and elevations.
- Supports multiple fuel types: 91 through 94 octane, E30, and E85.
- Increased rev limiter and speed limiter removed (dependent on TCU tuning).
- Burbles (crackles, pops, and bangs) available below 4000 RPM and more aggressive above 4000 RPM.
- Supported upgrade paths beyond Stage 1 and Stage 2 hardware utilizing custom tuning.

Tuning Your Mk8 R and S3 With The Accessport
With EQT’s staged tunes, the Accessport brings you plug-and-play power that’s ready to transform your car right out of the box.
Alternatively, if you ever find yourself wanting to explore a custom setup, we can use the Accessport to custom tune your vehicle exactly how you want it!
From a quick boost in power to a fully customized powerhouse, the Cobb Accessport is your ultimate performance partner.
Mk8 Golf R and S3 Staged Tune Power Output
Here are just a couple of examples of our tunes. Please note that these results were acquired on our Mustang chassis dyno with SAE correction.
EQT Staged Tune Requirements
Stage 1
Stage 1
Performance Parts
- Stock / Upgraded Intake
- Stock / Upgraded Intercooler
- Stock Downpipe ONLY
Fueling Parts
- Pump Gas - Stock
- E85 - Stock
Stage 2
Stage 2
Performance Parts
- Upgraded Intake
- Upgraded Intercooler
- Stock/Upgraded Downpipe
Fueling Parts
- Pump Gas - Stock
- E85 - Stock
We Make Tuning Easy
Check out our video on how to download and Install one of our tunes to your Cobb Accessport and vehicle.




















