GFB Hybrid TMS dump valve for Subaru Impreza WRX/STI 7/8/9/10/11/12

Go Fast Bits (GFB), an Australian company certified to ISO 9001 since 1997, specialises in creating high-performance products to optimise vehicles. Every GFB product is designed, tested and manufactured entirely in Australia, ensuring consistently high quality. The HYBRID dump valve range, launched in 1998 by founder John Adrian, revolutionised the market with its innovative dual-flow design. This unique system enables recirculation to start before venting, preventing backfires, engine stalling and airflow meter problems, making this model a brand essential.

Benefits:

• Configurable dual flow: full venting, full recirculation or 50/50 using the included blanking plugs
• TMS technology enabling 30% faster turbo boost recovery during gear changes
• Wide compatibility for replacing original parts
• Withstands boost pressure up to 6,89 bar
• Lifetime warranty* (*subject to product registration and warranty conditions)

Compatibility:

• Subaru Impreza WRX and STI 7 (2001 to 2003)
• Subaru Impreza WRX and STI 8 (2003 to 2005)
• Subaru Impreza WRX and STI 9 (2006 to 2008)
• Subaru Impreza STI 10/11/12 (2008 to 2019)
• Subaru Forester XT (2005 to 2008)

Please note: Not compatible with the Subaru Impreza WRX 10 (2008 to 2010) see reference GFBT9201 for more information.