hey guys i have a 2001 mustang cobra and i was wondering if you had any ideas for me to add a little more power right now i have a flowmaster catback exhaust,K&N cold air intake,4.10 gears,and lowering springs i also have a bbk o/r x pipe but have not decided to put it on yet any help a all is appreciated im looking to spend no more than $1500 thanks so much guys