Originally Posted by +8Rich
Originally Posted by Jays ex Nero
The standard system looks quite strange with that additional front box...not sure what that’s all about. The MP one if the rear cross box is switchable looks to be almost unsilenced! I assume the cats are mounted by the manifolds and dint form part of this system?

John, I was puzzled by that bypass looking box at the front and as you say can only assume the cats are closer to the power unit. It does look nice and loud I can't wait to hear one for real.


Is it the OPF or GPF (gasoline particle filter) if so its removal helps boost bhp to well over 400bhp. woohoo crazy2