The DV+ is a direct fit blow off valve that has an impressive build quality for its mid-end price. With minimal plastic parts, Go Fit Bits has boosted the valve’s mechanism by replacing the housing with an anodized billet aluminum shell and a brass piston that is engineered to exact tolerances. The result is a turbo blow off valve that is slick to fit and gives you a sharper throttle response and as much boost as you can pitch at it without any turbo flutter. Once in place, everything just feels smoother and your car performs as if it’s just had a professional tune up. The DV+ is a great value and good quality for its price tag.