Don't understand why people don't listen to advice:
SMIC is a waste off time in upgrading, the stock unit is very good, problem is the lack off air flow entering/going through the IC, which is why a FMIC benefits, as it has a bigger area of the core exposed. It was proven on the Australian autospeed magazine tuning on the PD engines as they are far more on boost compared to the petrol counterpart.
Why do you think Wazzer is finally going to get a FMIC setup over a SMIC?
Also regarding your pancake issue make one with a 50-60mm reducer and some 50mm polished aluminum pipe like I did one upon a time.

One 90degree pipe 50mm
One 45degree pipe 50mm
One silicone 50-60mm reducer
One Silicone 50mm joining piece
Five jubilees as I found the current one(s) heavily corroded.