Hi, I currently have a miltec cat back jobby on my car. however, it is causing me lots of problems at the moment. firstly, it wont stop knocking even after numerous attempts to stop this. also, my mechanic has spotted a crack in the backbox section.
after a bit of a think, i have decided to get a custom exhaust made up.
my question is, has anybody got experience of any custom exhaust fabricators in or around hampshire? what should i expect to be paying?