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  1. General Maintenance, Troubleshooting & Accidents.
    2015 WRX has no boost passed 14.4-15.0. There seems to be no leaks from exhaust, boost or vacuum. I’m stumped to what it could be other than a bad boost control. I have a Grimmspeed 3 port kit on the car right now with 45k miles on it.
  2. Engine Modifications
    Ok so I went stage 2 MAPerformance OTS tune and I removed the restrictor pill. And yes before you ask I did remove the right pill 100%. The “T” with the black sleeve on it. The problem is when I would full throttle through gears and or sometimes around 50% acceleration or so the boost would max...
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