PART NUMBER: 61-3934
Fits 2004-2005 Mazdaspeed Miata 1.8L Turbo.
Full recirculating BOV (Blow Off Valve). The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts who do not want to be noticed but want the performance and reliability benefits of a quality BOV.
This Plumb Back / Recirculating configuration works with the stock ECU. No tune required.
25mm (1") inlet and outlet


