Joe Hi. I know its probably been asked before what is the difference between the approved cat and non approved. Does non approved fit a 2004 if I gave reg number from an x reg car ? Cause any other problems. Joe
evocarlos think this was covered awhile back 🙂 https://z22se.co.uk/threads/catalytic-converter-cat-vauxhall-vectra-b-2-2.23281/