Posted by Ed Parry on July 9, 2003, 9:40 pm, in reply to "Catalyst Removal"
hi shaun iv removed a couple of cats on slightly older astra 1700 low blow diesels both P reg as i remember. they both went like stink afterwards, but did seem to cough a little more black smoke than before. I think the cat acted as a type of filter to keep the exhaust particles inside hth