A direct-fit high-performance replacement for the factory plastic unit, the Turbosmart Kompact BOV suits the new generation Honda VTEC Turbo engines found in the Civic Type R and Civic Type R (Fk2). It can handle high boost levels and is made of billet...

GFB VTA Blow Off Valve 14-21 Volkswagen GTI Mk7/Mk7.5 / 14-20 Audi S3 8V

GFB Universal Weld On Deceptor Pro II Electronic Fully Adjustable Sound BOV

GFB Universal Weld On Hybrid TMS Dual Outlet Valve

GFB Universal Weld On Mach 2 TMS Recirculating Diverter Valve

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with...

Turbosmart Audi 4L V8 TFSI BOV Kompact Dual Port VR30

Garrett GVB-50A 50mm VTA BOV - Black

VR Performance Mercedes C300/C400/C450/C63/AMG GT Blow Off Valve Spacers

By combining atmosphere venting with the proven performance benefits of our ground-breaking DV+, the VTA delivers an aggressive blow-off sound, improved throttle response, as well as superior boost holding and reliability. The integrated low-profile...

Like all valves in the DV+ family, the T9382 offers significant benefits over factory-fitted electronic diverter valves – sharper throttle response, faster boost recovery on gearshift or brief throttle lifts, improved boost holding, and unrivalled...

The factory diverter valve on Polaris SxS models is made from plastic with a rubber diaphragm. It is known to rupture and cause significant boost leaks, and its "normally open" design means that part throttle boost response is always compromised. The GFB...