diverter

  1. Thwack

    3.3TT DIY Diverter Valve Horn, Louder BOV Noise (work-in-progress)

    Hi All, So this has been an idea ever since I disconnected the diverter valve hoses to get a bit of louder sound from them. My last turbo car had a Greddy Type S, and I loved the sound. Since I haven't really wanted to pay for 2 new BOV's plus adapter plates to get no real performance boost...
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