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  1. General Maintenance, Troubleshooting & Accidents.
    Hello everyone I am trying to determine why my car makes a loud whine during full-throttle acceleration in 1st and 2nd gear. My Car: 2017 WRX with the 6-speed manual box Modifications: None Mileage:62000 Noise: It sounds like a supercharger whine during the middle part of the gear. Here's an...
  2. General Maintenance, Troubleshooting & Accidents.
    So I'm not exactly sure whats going on but on my brothers and my friends wrx they are both making a loud whining noise when boosting. It almost sounds like its supercharged its weird, but basically, both of them put a Blow off valve on and then this started happening, except for on my brothers...
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