Universal 20mm In / 20mm Out HYBRID TMS/Blowoff Valve [T9220]

The Hybrid is Back!

Celebrating 20 Years of the World’s First Dual-Outlet Blow-Off Valve

In 1998, frustrated with his WRX stalling due to an atmospheric BOV, GFB’s John Adrian created the world’s first dual-port BOV—the Hybrid. This revolutionary design prevented backfiring and stalling while still delivering that unmistakable blow-off sound.

Its game-changing technology became the industry standard, leading to GFB’s Respons TMS and Deceptor Pro. Now, after years out of the spotlight, the Hybrid is back—with configurable venting options (full recirc, full atmosphere, or 50/50) and direct bolt-on kits for popular vehicles.

Recognized with a Global Media Award at SEMA 2017, the Hybrid remains one of the most influential BOVs in turbo history.

Own a piece of history—get yours today!

MAZDA SE (Mazdaspeed) turbo (133kW/178hp) 2004-2005
SUBARU STi MY94-96
SUBARU Impreza 2.0 Turbo GT EJ20T MY94-00
TOYOTA Supra JZA80 3.0 2JZ-GTE 93-02
TOYOTA Supra JZA80 3.0 2JZ-GTE 93-02