There have been some threads discussing the removal of the stock FPR and replacing it with an aftermarket. I took it upon myself to modify the secondary rail with the necessary fittings and provided a photo for those of you who were wondering how it looked.

The fittings were purchased from www.anplumbing.com in the "metric adapter" section.

I used -6 in this demonstration.

The back of the rail (the FPR side) utilizes a 12x1.25mm An adapter fitting. While towards the front (the inlet side) utilizes a 14x1.50mm An adapter.

There was one modification done to the fuel rail. This required me to cut off and smoothen the stem that stuck out of the inlet side once the stock fitting was removed. (sorry no pic of it stock)

Hope this helps everyone.