Horse Sense: In addition to the exhaust and cold-air intake, Ford Racing Performance Parts (www.fordracingparts.com) offers a number of upgrades for the Focus ST, including a short-throw shifter, ...

The MK2 Ford Focus ST gets a full turbo back upgrade with an AIRTEC downpipe installation. In this video we install the new downpipe and take a closer look at how this modification changes the ...