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No, I am not looking for a WRX performance. I am just after "acceptable performance". The car is pretty gutless as it is. Even Getzs feel more powerful!

In order to get a good tune, do you need a dyno? I am more familiar with diesels! Tunning a diesel without a dyno is black magic! I was taking to the guys at AMMS, they said that I may get around extra 20%power(20kw+) and about 30% if I do the exhaust as well. Are those figure any near to the truth?

G'Day,

I have a 2lt 2009 Impreza Rx Auto. The car is pretty gutless. Is there an ECU upgrade for it? and what increase I could expect?

Thanks in advance.