im in the process of buying a 87 gt 5.0 the guy has the h-pipes and im looking for a good nice sounding exhaust im looking in summit and looking at there exhaust. im looking at the magnaflow catback system for 469.95 im looking into going with a high flow cat but i need to keep the car street legal and keep it good for inspection cause the car needs to be inspected.the kit has 2 1/2 pipes with 3 1/2 tips or should i got another route if anyone has aol you can msg me at hondahback im new to tuneing mustang and would really appecraite ur help.