Type-S Style Universal 40mm Turbo Blow Off Valve+2.5" Flange Pipe - Black 8 Discharge Ports That Draw In Surrounding Air and Release a Unique Discharge Sound 40mm, Hard-Anodized Valve for Increased Airflow Dual Spring System Promoted Response and Allows for High Boost Pressures Holds Up to 30 PSI Boost Pressure; Aggressive JDM Discharge Sound 2.5" Aluminum Flange Pipe Fits Type-S or Type-RS Dump Pipe Flange