The Ford Focus RS is frequently referred to ... a high-flow charge pipe, a three-inch exhaust downpipe with 200-cell sport catalytic converter, a three-inch exhaust system from the cat backwards ...
That’s no mean feat, given the huge amount of time and resources put into the Mk2 Focus RS. Launching in 2009 ... fuel pump and a full Mountune exhaust system. Whew. While that sounds like ...