As you know I am looking at getting the Greddy Emanage Ultimate piggyback system. I fallowed your advice and looked into standalones and I think the Ultimate is the way to go. Greddy has two different universal wiring harnesses for the Emanage Ultimate. They have a 1.25m cable harness and a 2.5m cable harness. What is the difference between the two and which one is best for me?