RallySport Direct proudly carries a great selection of quality aftermarket performance enhancements brought to you by Turbosmart.

On this page, you are looking at the Turbosmart Dual Port Blow-Off Valve designed to be a more durable and more advanced bypass valve to replace your OEM unit.

Here are the details:

  • Dual Port design is like having 4 BOV's in one compact design
  • Staged and can be customized for a variety of different configurations
  • In the standard configuration, the ports are staged so that the bypass valve comes on first, and the atmospheric trumpet comes on second
  • You can convert the BOV to Supersonic Mode which is full atmospheric by installing the provided blanking plug into the recirculating port
  • You can convert the BOV to a full recirculating mode by undoing the trumpet and installing the provided blank in it's place
  • You can convert the BOV to MegaSonic Mode by taking the extra trumpet and place it on the recirculating port for the loudest option
  • Blue finish
  • Also comes provided with a new BOV to TMIC flange gasket, hose, and hose fittings

TURBOSMART Dual Port Blow Off Valve Mazdaspeed 3/6


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