Best blow off valve?

Discussion in 'Modifications & DIY how-to' started by WRX-WRC, Jul 30, 2014.

  1. WRX-WRC

    WRX-WRC Active Member

    I really want people to know my car has a turbo. What are some really nice and loud blow off valves?
     
  2. Matt

    Matt Think before you post Staff Member Supporting Member

  3. WRX-WRC

    WRX-WRC Active Member

    that adds about 15 whp right? I want to go really fast.
     

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