ApplicationCompatible for Subaru Impreza 2002 - 2007Compatible for Subaru Impreza STI2004 - 2018 Package Included1x SSQV Blow Off Valve1x Direct Fit Adapter w/ O-Ring Gaskets1x C-Clip1x Universal Adapter All Other accessories shown (You will get exactly as shown in the picture above) Feature100% Brand NewWarranty: one year warranty for any manufacturing defect Produce Amazing Releasing Sound Material: Aluminum Anodized Color CNC Machined Aluminum Flange Adapter Directly Fit to All SSQV Blow Off Valve Makes Your BOV Installation Easy and Effective Holds Up to 30PSI Boost Pressure Note* Professional installation is highly recommended (No Instruction Included) * For any needs please contact us