Hi,
My car has been lowered 35-40mm on 15s, I recently bought a Magnex from the CAT back system which looks great but I am having real difficulty getting rid of the rattle. It is fine up until the car starts to reach its optimum temp and then the rattling starts (Is this due to the heat transfering to the rubber mounts?).
It is most noticeable when setting off, I have replaced all the mounts with Poly X Plus ones and removed the heat shield. When I took it back to the place that fitted it (specialise in fitting performance exhausts) they said "Because the car is so low it has left hardly any room to work with, I would have to remove the whole exhaust and reshape it from inside out" (The guy had to weld it on as the fit wasnt spot on. 35 mm isnt that low!
Has anybody had the same problem, its driving me insane!