focus.....coming from a dealer these things hardly have major problems. we bought my wifes new in 04, and no problems yet. my sister in law just bought an 07 as well. no problems to date, though it's only been a few months.
2003 Ford Expedition: 5.4L, harley supercharger, 2.93 upper pulley, 4lb lower pulley, c&l plenum, jlp cai, LFP SBTB, FTSP, Magnaflow 3" catback, Eclipse AVN-5510, white face gauges, cobalt c2 boost gauge, ddm hid's, 379 rwhp, 465 rwtq sold 11/3/12
2009 Ford Flex Limited AWD