Not good at all those sort of problems are the ones you could do without.
Why not take it off the road for a few weeks to save the cash , probably better than shooting the Mrs, or is it ...?? hmmmm ill let you decide.
I need to replace my exhaust , but instead of getting a standard or supersrint system, I've chosen powerflow as nice and cheap and its also made to your suit your car. Have it stupidly loud, loud ish or quiet what ever you want powerflows the daddy.If you go for powerflow Phil, it could save you a few bob also try to buy a second hand rad as you could buy two for the price of a new one