is it the whole system you need or is it just the back box thats shat its self ? could maybe have a look under and see if you can see where any blows are coming from and get some gungum to try and get it through MOT maybe. you could also ask if anyone here is local to you to lend a hand
good luck though
Whole system as i was going to change my custom exhaust system over to standard for the MOT as the garage said they could not fit a new cat onto my system because it is a sports system or something like that.
also i dont think there is any blows coming from the exhaust
cheers!
On a mk4 its gonna have a cat & lambda.
Providing the cat is fitted it shouldn't matter what's bolted on behind it (stock or aftermarket.
Narrows it down to the cat or lambda tbh
All lambda readings were ok, so is it still likely to be that?
Last years MOT it failed on everything emissions wise, the garage replaced the lambda and £350 later they managed to get it through, but i have a suspicion they didnt fix the CO emissions as the TEMP reading on the MOT cert said Temp shows warm, when the previous said the actual temp?