Mine and my friend's N55 JB4s came with the FF wires already as part of the harness. Yours might too.
No need for a different fuel pump until you start messing with upgraded turbos.
We run 4-5 gallons of E85 for a full tank of petrol and these cars absolutely rip. Just remember to set FF to 70 in the software if you got the USB data cable. If not, you probably won't be messing with E85 anyway.
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