Universal blow-off valve GFB Mach 2 TMS 20 mm

The supplier describes GFB (Go Fast Bits) as an Australian business founded in 1997 and certified to ISO 9001. The range is designed, tested and manufactured in Australia.

Mach 2 uses a simple single-outlet design with full air recirculation, following the original operating principle. The supplier presents it as an economical TMS solution with a complete configuration for intended applications. Conversion to full atmospheric discharge requires an optional kit, sold separately.

The supplier states that TMS speeds up turbo boost recovery by up to 30% during a gear change. Stated maximum boost pressure: 6.89 bar.

Inlet 20 mm; outlet 20 mm

Sold individually. Price for one valve.

Stated applications: Subaru Impreza GT Turbo, 1994 to 1998; Subaru Legacy Turbo, 1992 to 1993, with a required hose modification.

Optional conversion kit: GFB5920. Not included.

Universal fitting stated by the supplier. Check dimensions, connections, fixings and the technical conditions specific to the component before installation. Universal does not mean suitable for every vehicle or a direct fit.

Lifetime warranty stated by the supplier, subject to GFB warranty and product registration conditions.