[SLOW 97]

Yup Surfbeast you are correct. You can't make any power with an H-Pipe that has six cats. Get an H-pipe with your cat back (I personally don't like how x-pipes sound). also if your looking for that aggressive, muscular tone stay away from straight through (Borla, Magnaflow) design mufflers. Your car will sound like a rice-burner with a fart tip or a BMW (Retarded). People might say that every Mustang has Flowmaster two chambers but there is a reason for that. They are THE best sounding mufflers by far!