Universal 2.5" Bov Blow Off Valve Type S Type Rs Type-S Type-Rs Turbo Charger Inlet Adapter Pipe Flange Aluminum Fitment: Universal, NOT A DIRECT BOLT ON Specifics: Measurement Check Of Your Inlet Pipe Is Required Surface Finish: Aluminum Installation Guides: No Installation Guides Included Interchange Part Number: 2.5" JDM Type 2 Bolt RS Turbo Charger Blow Off Valve Adapter Pipe