Have a myvi with BOT using YRVT manifold, turbo, intercooler etc.. it comes with this bosch pbv, the vacuum hose runs back to the intake manifold but somehow when boosting even as low as 0.1bar i hear a whoooshh...
i dont know whether you guys heard of this product. The product name is I-CHARGE. Well, im not promoting the product but just to share some experience when i used it on my car.:smokin...