If you're viewing this item, chances are you're like the countless other people we run into who have a cracked, leaking, or otherwise bad catalytic converter on their vehicle. Pacesetter has your solution with this bolt on direct replacement catalytic converter. Simply unbolt and remove your bad converter and attached piping, and reinstall the new Pacesetter converter and attached piping. You'll be back on the road running as good as new in no time. The part number for this item is 324134 and it fits 2002-2005 Chevy Cavalier, 2002-2004 Oldsmobile Alero, 2002-2004 Pontiac Grand Am, 2002-2005 Pontiac Sunfire (2.2 Models).