Not sure if there is a chip available yet, Im not too clued up on the Fiestas, but reading Lauras info, she has had:

Custom made K&N filter- using:ST170 filter, and Samco hose--Air feeds--Blue Magnecor leads--Milltek full sytem, 4-2-1 manifold- de cat- and exhaust-


-152bhp at the wheels-