Went to race torque and booked a retune, Lane explained the dyno to me, that ecutek steve did was a learning curve, it was one the first my08 sti they did, so the result was not that great.

Thanks for everyone replied here, I did learn a lot about ecu this time.

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MY08 STI 422whp at 1.5bar on E85, built by Diversion Garage, assembled and tuned by EvoR

Update from new owner: 375whp at 1.4bar on 98, at Tokyo Motorsport

Unlocking the ECU is possible.

Seed/Key challange is where you're going to run into issues.

Have either someone who knows about ECU's to put back the standard seed/key init sequence or back to an ECUtek dealer.

Lane re tuned the car last week, 310WHP @19psi, very happy with the result.

I was thinking does ecutek has three maps for I S S# mode? The car feels very different in those three modes.

Will the engine be damaged if I drive the car on I mode most of the time, because I travel 30000km+a year, I like less sensitive throttle for normal driving.

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MY08 STI 422whp at 1.5bar on E85, built by Diversion Garage, assembled and tuned by EvoR

Update from new owner: 375whp at 1.4bar on 98, at Tokyo Motorsport