I fly mainly 4 strokes and have tried many different setups. The flexable cable has worked the best for me . It will snake around the fuel tank and still operate smooth as silk. It runs direct to the carb , no wire bending or pivots to set up and it`s very light weight. The other setups work fine , but coming out of the firewall right behing the carb, the cable is the cleanest looking and lightest way I`ve found to go.
I generally use Dubro 20 in flex cable , their only a couple of bucks. Sorry the pics dont show what I was looking for, but in the SlowPoke , can you see a cable. I comes out right behind the engine, on the Ultimate , you can see where the hole is for the cable to come out.
Just finished a Extra 260 and will try to get you some better picks , after I plow all the snow we got last nite .