I've taken an officer to court before now for him issuing a £30 fine for my exhaust which was to loud, he had no meter to measure the noise and said yea that's too loud.... No test, nothing.
I knew it was legal and had a proper noise test performed and had the db on paper
Off to court we go, here is the paperwork your honor of an official exhaust noise test as it clearly states the exhaust on this vehicle is well below the legal limit
Officer told to pay me the fine + my expenses and also court cost on him, job done
Now don't get me wrong I'm not against the plod, 90% of the officers I've met are very nice and easy to talk to........ It's just that 10%