Hey, Newbie to the Foci.
Gotta question...
The first thing I want to modify to my SVT is the exhaust. I want to know what are the best headers? What fits SVT? Also what size Catylitic converter should I buy?

I am going to have a custom pipe bent. I am going to buy an Apexi N1 muffler, Black gonna look good on my black SVT.

um skip the rice can, get a catback, pretty sure even for the SVT all aftermarket catalytic converters have a max size of 2.25"

The SVTF has a 4 to 1 header already! Also the Get an exhaust that was designed and tested for the car... magnaflow, pace setter, look at www.myfordfocus.com at the performance link and see there is a few SVTF cat back systems...