Black SQV IV Style Blow Off Valve BOV Kit w/ 2.5" Flange Turbo Sound | Universal
$29.50
Universal Aluminum BOV SSQV IV/SQV-4 Style Turbo Boost Blow Off Valve Bov with Adapter Flange Kit. The Blow-Off valve (BOV) is a pressure relief device on the intake tract to prevent the turbo's compressor from going into surge.
