Audi TT 8J S-tronic Stage 4 on Garrett G25-660

Stock 2.0TFSi BWA engine at 420hp with Garrett G25-660 with .72 A/R turbine housing and 98ron map.

Very fast spool and under 4000 rpm having full boost

Starting at 1.25bar and creeping on purpose to 1.5bar at 7300rpm to keep the torque low and safe at 450Nm for this engine but having 420hp at the top.

ECU and TCU Stage 4 maps done by Etuners Motorsport

100-200 time is 8.4sec measured with Dragy

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