2015-2019 Honda Civic Turbo Blow Off Valve Plate Spacer BOV 1.5T Coupe BilletOur MadDogPerformance diverter blow off spacer/plate will help your engine breathe easier during shifts by redirecting and venting excess boost from thestock bypass valve to open atmosphere.The venting of the excess boost from the stock bypass valve also provides with thegreat 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 areanodized for additional protection fromoxidation.Installation takes as little as 30 minutes!!