I have an off road x-pipe off my 99 cobra with an 03 cobra motor swap and 6 speed, had it on with the 99 motor and t45 swapped to the 03 setup in my car, real good condition car made with the x-pipe and stock manifolds on a mustang dyno 443rwhp and 465 tq, this x-pipe is perfect for an 03-04 cobra can be used on 99-01 cobras and 99-04 Gt's looking to get 100 buxs for it email me @ [email protected] or 630-327-9915 any question you can also ask 00dubs aka Eric with the slobra 
eddie
eddie