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  1. DURATEC Ti-VCT Performance (2012-Current)
    Hey guys, pretty new here and looking to get into the focus modding game. Love my car, it's a 2.0L N/A 2012 focus mk3 sedan. Here in Australia it's called the trend, which is equivalent to the SE for you Americans I think? Either way, just want to know if the K&N Air Filter Assembly - KN57S4000...
  2. General Technical Chat
    I removed the "lifetime filter" assy in my 05 2.0L ZX4 and put a K&N cone on the end of the MAF tube. Engine misses sometimes while cruising and check engine light came on after about 20 miles. Any advice?
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