These pictures are probably terrible quality but you can see in the second photo the hole I punched out, only the two white and red wires need re routing.
That makes much more sense now, My battery is the same but with the terminals the other way around and they still wont reach.
So will see about routeing them through the fuse box ready to cut an 80mm hole for the piping.
I went for the fuse box connection route. I put everything that was on the live terminal of the battery, on the live connection, and then moved the battery to the boot.