I will check the heatshield tomorrow. I have been under the car and had a look I noticed a few black marks on the floor and a drip from the the cat it looked like oil but was like dirty water when I rubbed it between my fingers. there is also a crease on the side of the cat passenger side I think it may have been hit by something off the road?
Thanks for the information like I have said I will look at it tomorrow thanks "Omegod"