Take the third brake light off. Be extremely carefull with the plastic bulb socket. It is extremely fragile from the heat from the bulb. The process is simple.
This is called the up pipe on a hot air. Not a common part. Post in the parts wanted section first. You may have to have on custom made up pipeby an experienced exhaust guy.
Its' been four years since I did this -I seem to remember there being on more in the return line. I cleaned out these restrictions and still the fuel pressure was at 40 line off will the Hellcat fuel pump. My problem was solved (not by me) by having the ECUGN control the fuel pump. Slow the fuel...