Originally Posted by babyboss
is the rear valance oem or has it been cut to fit pipes ?
The 4 x 90mm does not require modification to the rear valance.
Eisenmann will offer the same tip options as the F10 M5.
90mm, 102mm, and of course the famous Eisenmann oval tip. The system will also be available as a rear muffler section or full cat-back solution.