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overboost

  1. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    I have an 01 1.8t that drives ok up until 55 mph in 5th, from there it spikes from 12psi to 20 with only half throttle. I have a full apr 2.5 inch exhaust, forge dv, k&n typhoon intake... im new to turbos so I dont even know if its setup right! Ill have pics up in a couple of hours.. help is...
  2. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    I just got a new car with a slight overboost issue the guy i bought it from said he chipped it to stage 2 but there isnt an inter cooler is that my problem how should i fix it p.s im spiking my gauge out at about 25 psi and from what I have seen its suposed to spike at 20
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