Just bought 07 GT, I want to change the exhaust. What I need to know, is there any differance in powerbetween axle back, orcat back system. I'm not looking for anything big just a little power from some bolt on's Thank's

 

Axel back is pretty much just the mufflersand tail pipeson your year, cat back is from just behind the h pipe, back, in other words, more pipes. If you're keeping a stock h pipe, then axel back will do just fine.