Tial QR Recirculating Blow Off Valve w/ 29mm Recirculation Port 8 psi Blue | 002997 vendor_Super Pro you can remove two bolts

you can remove two bolts and the AOS easily separates into individual pieces

11+ Subaru Forester (FA/FB Engines Only)

7 inch spring length

Nominal Flow Rate – 1065cc/min @ 3

Replace OEM PN# ST413104S020

Tial QR Recirculating Blow Off Valve w/ 29mm Recirculation Port 8 psi Blue | 002997 vendor_Super Pro you can remove two boltsQR is the recirculating valve based on the TiAL high performance Q. Outline interchangeable with the Q and original BV50. It's Offered with a variety of springs for difference vacuum levels, and a special spring for supercharged vehicles. Customizable outlet ports offer flexibility to integrate into custom & existing applications. Included with every Tial QR: QR Assembly TiAL Vband Clamp Vband Weld Flange TiAL Air Fitting High Pressure O ring Return