FlexAdapt - Use flexible filament with cheap Chinese all metal extruder

I decided to upgrade my Ender 3 with some cheap Chinese all metal extruder parts. I had those laying around for months meant for another project. I found it working mostly good but for the bad filament trajectory. This extruder has a very wide open area after the gears.

As I was going to print some TPU feet for my Vorpal Hexapod Robot I had the idea to use this flaw as an advantage. There is a lot of room to design an upgrade part for leading the filament on its way from the gears to the bowd