Like the man says! All my MOT's have passed even when the car was loud and under the keen eye of testers there are not what I could call close friends.John said:Simple answer is to go to a test center where you know they will pass your car no matter how loud it is!
It’s more of a "discretion" limit than anything else, but it makes you wonder when trackday limits are 98db's to mirror road legal standard how people can even get on track...