2015-2019 Honda Civic Turbo Blow Off Valve Plate Spacer BOV 1.5T Coupe Billet Our MadDogPerformance diverter blow off spacer/plate will help your engine breathe easier during shifts by redirecting and venting excess boost from the stock bypass valve to open atmosphere. The venting of the excess boost from the stock bypass valve also provides with the great BOV sound!!Allows the turbo's compressor to maintain higher RPM so you can build boost as soon as your back on the throttle. CNC-machined from Aircraft-Grade Aluminum, to prevent thermal expansion and boost leaks.Our plates are anodized for additional protection from oxidation. Installation takes as little as 30 minutes!!