Hi there
So I decided to refit the factory exhaust (service coming up), now I decided to do this the longest way possible, essentially removing everything, may take longer but means I have far more room to work with and as such no having to wriggle things around and risking damaging anything.
Also decided to check out the air filters which seem clean enough but I suspect those will be changed at the service anyway.
Car comes apart so easily, even better news all the manifold nuts/studs came undone without any casualties as I am changing the manifolds, catalyst and entire rear section back to factory system. Manage to get the 02 sensors from passenger side off, but drivers side are more stubborn, so taking those to local garage who will have better tools and can wizz them off for me. But the entire system is removed, the factory manifolds and catalyst are fitted.
Left to do is fit the 02 sensors to drivers side and then refit the catback section and then refit all heatshields and bumper and job be done. Also the tools required to dismantle the car was literally around 3-4 tools, very well thought out and easy to work on.