GFB Mach 2 TMS Recirculating Diverter Valve - 20mm Inlet/20mm Outlet Long Sleeves they provide better conditioning of

they provide better conditioning of journal surfaces

Borla has made a big splash in the sports compact aftermarket with their stainless steel Header and Cat-Back for the WRX

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2007-2008 Porsche 911 GT3 2007-2008 Porsche 911 GT3 RS 1993-1994 Porsche 911 RS America 1989

GFB Mach 2 TMS Recirculating Diverter Valve - 20mm Inlet/20mm Outlet Long Sleeves they provide better conditioning ofALL THE PERFORMANCE WITH OR WITHOUT THE NOISE! GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100 psi plus. Put simply, it can hold more boost than any turbo could produce. With its single venting outlet, the Mach 2 is configured from the factory for full recirculation (i. e. plumb back, diverter, bypass) venting for the