mustang mach 1

i recently bought an 2004 mach 1 stock with an x pipe and a flowmaster catback. so I was wondering with what bolt ons i could buy to get at least 300-320 to the rear wheels. also could this be achieved without longtube headers ? or would headers be necessary for my kind of build ?. I would also...

Up for sale some more mach 1 parts. Both upper and lower hood stripe for 2003/2004 mach 1. Brand new Ford OEM Factory stripes not cheap aftermarket. Looking to get $215 shipped for these! My loss is your gain car is gone so need to move these!

I just got an 03 azure blue Mach 1 Mustang with some miles on it, it has 182,xxx miles, thats like the most ever on a Mach 1. It was a gift from a friend in the hopes that I would restore it. I had the transmission rebuilt ($2500), put in beautiful racing seats from cypher ($700), and new tail...