is there any mustang tuners local?

http://www.ebay.com/itm/86-87-93-Ford-Mustang-GT40P-302-Cylinder-Heads-Complete-GT40-Machined-Rebuilt-/181105472267?pt=Motors_Car_Truck_Parts_Accessories&hash=item2a2aba330b&vxp=mtr

seems like good power for the money as i and other people spend a g or more on an exhaust with barely any power gain lol