msds headers, and replace the cherry bomb muffler with a quality muffler like a mangaflow.
Btw, your probably making 170-180 crank. (~145 whp) Even near stock svt's dont make 170 whp. Well perhaps on a rare occassion.
Your only option to putting 200 hp to the ground is really nitrous or a 3.0L swap. Even putting 200 whp to the ground on a svt 2.5L would probably run you more than a 3.0L swap.
