In order to put side exit exhaust on a mustang you must either use an inline muffler such as a glasspack or magnapack or buy a muffler with the inlet/outlet on the same side of the muffler. The absolute cheapest I found these mufflers was 90 bucks a piece. Also..there is a minor loss in power from side exhaust kits unless done in a specific way.
About the other, I'll get pics of my car from a few angles in the morning cuz it's a little dark outside at the moment and I was in class when you replied lol. I'll do that first thing after class though..free from 9AM to 5 PM lol, crazy crazy schedule. I'll even take a few pics of the whole system if I can fit my camera under my car and snap a few...gotta change spark plugs tom too...dangit my tomorrow just filled up.