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rmoersch 12-24-2008 10:17 AM

Factory Boost Threshold Question
I have been plan on getting the COBB 2.0 Accessport for my 04 wrx but was told the factory threshold for the turbo was 17 psi but the Accessport gives 16.5 psi. I was wondering if this was a safe range for the factory turbo?

dumdum 12-24-2008 12:03 PM

The factory [B]boost cut[/B] is 17psi,not the turbo's max boost.A compressor efficiency map will tell you what that is.The Cobb AP will raise the [B]boost cut[/B] to around 19-20psi

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