magnums & A bodies exhaust fun(not)

braveseal said
who has a mopar perf cat from around 03 that they can look this number up in?
anyone??
P4532900

had a look in my mopar performance 2002 catalog and could not find the partnumber there, and it was not listed as discontinued in that catalog.. have never seen a port loking like that but i am just 24 years old so i havent seen everything yet