from another forum said:I have tried both baffled ansd straight through de-cat and am now running Magnaflow Hi-flow cat which I have found to be better than any decat.
It also means you don't run the risk of a £1000 fine. :idea:
The last bit, is there any truth in this? I thought you just got asked to re-fit the cat if you were pulled over and given an emissions test (which failed). Does it depend on what area you're in maybe?