GFB Dump valve Hybrid TMS universal 20 mm in and out for Subaru Impreza GT Turbo

Go Fast Bits (GFB) is an Australian ISO 9001 certified company established in 1997, developing and designing high performance products to enhance vehicles.

The entire GFB range is designed, tested and manufactured in Australia to ensure maximum and consistent quality.

The HYBRID dump valve range was developed in 1998 by GFB founder John Adrian.
Revolutionary because of its dual circulation design: the recirculation opens before the discharge avoiding backfiring, stalling and flow meter problems.
This innovation has made the GFB brand and its flagship model famous.

Advantages :
- Configurable dual circulation: Full discharge, full recirculation or 50/50 using the supplied plugs
- TMS technology ensures a 30% faster turbo charge at gear change
- Wide range of applications in place of the original
- Withstands up to 6.89 bar boost pressure
- Lifetime warranty*.

*Product Warranty and Registration Terms

Suitable for :
Subaru Impreza GT Turbo from 1994 to 1998
Subaru Legacy Turbo from 1992 to 1993 (hose modification required)