Car Bolt On Blow Off Valve BOV for Subaru Impreza WRX EJ20 STI 20022007 (Blue)

Features: 100percent Brand New Aftermarket Blow off Valve with Premium Quality. Made of high quality aluminum alloy material, corrosion resistant, reliable for long time use. Improves reaction of the turbine, increases the torsion of blow off valve, prolong the turbo engines" service life. To prevent the turbo"s compressor from going into surge. When the throttle is closed rapidly, the airflow is quickly reduced, causing flow instability and pressure fluctuations. When the throttle is closed rapidly, the BOV vents boost in the intake tract to atmosphere to relieve the pressure, helping to eliminate surge. Bolton design for ease of installation, fit for Subaru Impreza WRX EJ20 STI 20022007. Specification: Condition: 100percent Brand New Material: Aluminum Alloy Color: Blue Quantity: 1pc Package Weight: 441g 15.6oz Fitment: for Subaru Impreza WRX 2.0L Turbo 20022005 (EJ205 Engine) for Subaru Impreza WRX 2.5L Turbo 20062007 (EJ255 Engine) for Subaru Impreza WRX STI 2.5L Turbo 20042016 (EJ257 Engine) for Subaru Forester XT 2.5L Turbo 20042008 (EJ255 Engine) Package Included: 1 * Blow Off Valve 100percent Brand New Aftermarket Blow off Valve with Premium Quality. Made of high quality aluminum alloy material, corrosion resistant, reliable for long time use. Improves reaction of the turbine, increases the torsion of blow off valve, prolong the turbo engines" service life. To prevent the turbo"s compressor from going into surge. When the throttle is closed rapidly, the airflow is quickly reduced, causing flow instability and pressure fluctuations. When the throttle is closed rapidly, the BOV vents boost in the intake tract to atmosphere to relieve the pressure, helping to eliminate surge.