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Hi guys, kinda new to this forum and I couldnt find anything on the issue i am facing.

Im with a GRF A line sti.

I've recently upgrade to the Tomei M7960 turbo, had my ride tuned. After tuning, low boost at 1.1bar and 1.3bar for high boost. The boost is limited due to stock injectors as it could not support a bigger turbo, which i will change to 1050cc injectors.

Problem is mine is an AT and i get boost spike from 1.1 to 1.4. No idea whats going on, for MT here never had a problem like this.

Anyone could kindly assist?
 
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