YSK catalytic converter thieves are targeting specific models of cars (especially the Prius). Toyota is so back-ordered on catalysts it may take over a month to replace a stolen one, while costing you over $1,000. But theft can be deterred by installing an anti-theft catalytic converter shield.
from /r/YouShouldKnow
YSK催化器窃贼的目标是特定型号的汽车（尤其是普锐斯）。丰田公司的催化剂订单非常多，可能需要一个多月的时间来更换一个被盗的催化剂，而花费的费用超过1000美元。但是，通过安装防盗催化器防护罩，可以阻止盗窃行为。