This is the line 4 piston uses. I called them about this line. They are no longer selling it because they never intended for them to be sold to the public. They claimed to me that they were only for certain racing teams, and only put them on the website for ease of the teams to buy new if...
We all are. But so far, nobody wants to go near this. Everyone I talked to that had a alternate solution stopped making them, and nobody wants to come up with something. Especially after the "VIR INCIDENT" occurred.
If you have inside info. Hit me with a DM.
At this particular point in time, you have a very hard choice to make. You can go with XDI and MAY be limited on making your power goals, which are unknown to me. However, you MAY not deal with the fuel line issues.
OR
Go with Full Race. Hit the power goals. But MAY experience fuel line...
No official testing to my knowledge. Mainly because the manufacture did not show. No complaint from those that had it installed that I heard. I like mine for now.
In addition, it was wet the entire time down there.