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  1. Engine Performance
    Okay so, I have a 2017 wrx and I was driving in 2nd gear at about 3,500 rpms at about 3 lbs of boost according to the gauge and pushed the throttle about 60-70% and it jumped to about 16 lbs of boost and then back down to around 4 lbs. my car is completely stock with 60,000 miles on it and the...
    2017 subaru wrx boost spike
  2. STi Engine Performance
    Hey, i just brought my first subie last week. A version 4 sti, and i have recently noticed if i floor it, the boost bolts straight up to 18psi, then creeps back down to the normal ~15psi. Its last owner of 5 years, was around 40 years old. its been very well looked after. It has a cat back...
    boost spike
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