Don't use the garage filter for this. Do a general outback search and look throw the q&a section to confirm fitment.
CravenSpeed Platypus License Plate Mount Compatible with Subaru Outback and Forester | 2014-2022 | No Drilling | Installs in Seconds | Made of Stainless Steel & Aluminum | Made in USA https://smile.amazon.com/dp/B01ATS6MMM/ref=cm_sw_r_apan_i_EEZT3X89F0ZW4AK3YE66