What issues would one face if a direct swap from the Clubman non-S exhaust to the Clubman S dual exhaust system was attempted? I noticed that I just need to swap out the bottom rear plastic piece(valence?) to install the dual exhaust tips. What remedies are there for the issues that arise(if any)?

 

Question answered by Detroit Tuned and M7 Tuning. Thanks guys!

Oh and for those interested, you can do the switch without any issues.