you dont need to be removing anything. youd be suprised of how much of that you can run inside your fender.
I You want it really nice, you can extend all the wiring but you need to do it right.
get a soldering gun, solder, flux, and some shrink tubing.
If your not going to do it that way then leave it alone.
2004 mustang gt: JLT CAI, SLP LM2 catback,