BOVs & Block Off Plates

GFB's DV plus design solves the longevity and boost leaking issues that are common with factory diverter valves, and also changes the operation method to "pilot actuation" to ensure better performance on stock or modified engines. Furthermore, these...

ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE! GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100 psi plus. Put simply,...

AVO Turbo Blow-Off Valves Silver - 08+ WRX / 05-09 Legacy GT & Outback XT / 09+ Forester XT

AVO Turbo Blow-Off Valves Silver - 02-07 WRX / 04-10 STI

AVO Turbo Blow-Off Valves Red - 02-07 WRX / 04-10 STI

AVO Turbo Blow-Off Valves Blue - 08+ WRX / 05-09 Legacy GT & Outback XT / 09+ Forester XT

AVO Turbo Blow-Off Valves Blue - 02-07 WRX / 04-10 STI

Perrin Subaru 02-07 WRX / 04-15 STI Red Blow Off Valve kit Recirculation Only

Perrin Subaru 02-07 WRX / 04-15 STI Black Blow Off Valve kit Recirculation Only

Perrin Subaru 08-14 WRX Black Blow Off Valve kit Recirculation Only

Perrin Subaru 08-14 WRX Red Blow Off Valve kit Recirculation Only

Perrin 2015+ Subaru WRX Blow Off Valve Kit Recirculation Only