: Used converters "wear out" like any other engine part; a used one may already be clogged or inefficient, causing you to fail emissions tests shortly after installation. 🛒 Safer Alternatives
: Some companies sell certified reconditioned units that have been tested and meet EPA standards. can i buy a used catalytic converter
: Most states now require heavy paperwork for any sale, including a copy of the seller's ID, a signed affidavit of ownership, and often the VIN of the vehicle it came from. : Used converters "wear out" like any other
: In the U.S., the primary legitimate reason for a private party or business to buy a used converter is to recycle the precious metals (like platinum and rhodium). a signed affidavit of ownership