Boomba Racing Adjustable BOV Adapter Subaru Ascent 2.4LT (19-21) Anodize or Aluminum

Fitment Information Subaru Ascent 2.4LT (2019, 2020, 2021)  Emissions Compliance This item does not have a CARB EO Number and does not ship to California or any CARB states. Specs & Features Installation is simple 4 colors available No aftermarket tuning required. Will work on stock tune or aftermarket tunes. Product Description For adjustability this piece has nine threaded holes, we ship this piece with 3 of the holes open and we also include a 2mm allen key for removal. For fine tuning, remove and add screws as desired to reach the amount of venting or recirculation you are looking for. The adapter will always partially recirculate even with all the vent holes left open. This high performance adapter mounts between the OEM bypass valve/solenoid and the mounting location causing the unused charge air to vent to atmosphere (VTA) giving off the well known, but distinct sound all turbo owners know and love! The adapter bolts right in with the included longer bolts, no o