You can get uprated mounts from Ktec, but it will transfer a lot of the vibration to the rest of the car.
Many people end up going back to standard. It sounds like they do tighten it up a lot more though. Depends what you want...
Orbisoud are regarded as one of the best quality exhausts you can get.
Milltek are regarded as one of the worst. (poor welds, they crack, they dont fit properly).
The orb is quite hard to come by though I think