Flowmaster exhaust systems are great for n/a V-8s but I would not put one on a 2.4L turbo engine as it needs a totally "free-flow exhaust" to optain optimal performance. I had the all stainless-steel
Magnaflow catback single exhaust with a resonator on my
03GT and liked it. It looked and sounded great (not too loud but nice deep and mellow tone). [8D] Between the two, I would definitely go with Magnaflow. Good luck. [8]