Description
How would you like to get tuned?
ECU MAIL-IN Ship your ECU to us in Japan. Bench flash & return — the standard route for this platform. | $1,999 | CONTACT |
IN-PERSON Arranged individually — contact us for details. | $1,999 | BOOK |
REMOTE This ECU platform is not OBD-flashable via AT One. Ask us about remote options. | ASK | CONTACT |
Audi S4 (B5-B8) — Custom ECU Tune
Developed in Tokyo by mbFAST Tuning. Available worldwide via ECU mail-in, or in-person.
| VARIANT | STOCK hp / Nm | mbFAST hp / Nm | GAIN | REMOTE |
|---|---|---|---|---|
| S4 2.7T | 265 / 400 | 315 / 480 | +50 / +80 | Mail-in |
| S4 3.0 TFSI | 333 / 440 | 400 / 520 | +67 / +80 | Mail-in |
| S4 4.2 V8 | 344 / 410 | 364 / 440 | +20 / +30 | Mail-in |
What’s included
- Custom ECU calibration built for your exact vehicle — no generic files
- Worldwide service via ECU mail-in, or in-person by arrangement
- Pops & bangs (afterfire) available on select platforms — ask us
- Stock file backup & free revisions during setup
Exact calibration details are proprietary. Figures vary by fuel, condition and options.
FOR TUNING SHOPS
Install this Audi S4 (B5-B8) tune for your customers — we supply the calibration files and remote support. Your shop, our data.
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