Blow Off Valve Accessories

HKS 17-19 Honda L15C & L15B Super SQV Recirculation Kit for 71008-AH011 includes recirculation tube

HKS 08 Mitsubishi Lancer EVO GSR/EVO MR SSQV Recirculation Kit for hks71007-AM015

HKS 50mm Weld-on Steel BOV Flange

HKS 08 Subaru Impreza WRX STi SSQV Recirculation Kit for hks71007-AF013

The older valves used gaskets, the newer types have a o ring in the flange and therefore a replacement gasket will not be required.

The older valves used gaskets, the newer types have a o ring in the flange and therefore a replacement gasket will not be required.

GFB Standard Replacement Trumpet

Screw-In Plug (screws into any GFB trumpet or plumb-back outlet, except valves manufactured before 2003)

Mach 2 Atmosphere upgrade kit to convert mach 2 from recirculting to atmosphere venting BOV. Consisting of trumpet, spring and plug.

GFB Mach 2 Atmosphere Conversion Kit-Changes T9100/T9101/T9102/T9104/T9105/T9135 Recir to Atmosphere

GFB Mach 2 Atmosphere Conversion Kit-Changes T9107 or T9125 from Recir to Atmosphere

The 5702 can be used in place of the standard trumpet on all GFB valves, and will make the whistling sound more readily than the 5701 (high boost and RPM is required to get the whistle from a 5701), and at a slightly higher...

The 5701 can be used in place of the standard trumpet on GFB valves (Part numbers T9003 & T9503), and will make a whistling sound. However, it is necessary to run the valve so that all (or most) of the air vents through the...