If you want 'em to hear you coming, this is the valve you want! The Mach 1 blow off valve is hands down the loudest valve available in the Go Fast Bits lineup when used in VTA mode, but can be converted to a full recirculation valve in minutes for silent operation when needed. The Mach 1 universal blow off valve comes with both the Mach 1 trumpet fitting for VTA or a universal adapter for recirculation operation. The Mach 1 can operate in 100% VTA or 100% recirculation only.
35mm base, 30mm outlet & plug
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