1.8T 20V & 2.7L V6 Biturbo Upgrade Air Valve GFB

GFB DV+ for all 1.8T 20V and 2.7L V6 biturbo engines. The blow-off valve with 25mm connections replaces the vulnerable original Bosch valve. It has a CNC-machined aluminium housing and is black anodized. It also has a brass piston. The spring hardness can be adjusted very easily depending on the driven boost pressure by adjusting screws with different lengths. Optimal for all series or even performance enhanced turbo vehicles. The Pop Off guarantees stable, durable and full engine performance. Features: better response behaviour better opening characteristics Reduction of the turbo hole no problems with high boost pressure noble optics very robust and high quality. 100% aluminium 25mm hose connections Easy mounting