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boost problem

  1. General Maintenance, Troubleshooting & Accidents.
    So I have two wrx's. An 02 with a blown motor, and a 05 with a good motor but I wrecked it. So I swapped the 05 into the 02. The 05 ran great, made like 13psi which was normal for my climate. It was "stage 2" but basically just an intake with a cobb stage 2 tune and a custom hood exit. During...
  2. Engine Modifications
    Discussion Starter • #1 • a moment ago I’m fairly new to the sti world. I’ve had my 2017 wrx sti for about a year now. Mods: Invidia catback exhaust Cobb high flow catted downpipe Cobb air intake Walboro 450 fuel pump Top speed 1050x fuel injectors Cobb fuel rail line kit Cobb fuel pressure...
  3. General Maintenance, Troubleshooting & Accidents.
    I have a 2004 WRX with 112,000 miles. I have only had this car about two weeks. A few days ago I had a timing belt, spark plugs and fuel filter installed. Since then the OEM boost gauge will climb to .05 then drop to -.05 even with steady pressure on the throttle. Under hard acceleration the...
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