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The supertech filter and the mobil 1 filter are made by the same company, at present. that's why they're virtually identical. However, walmart changes who makes their crap more often than truck drivers fill their gas tanks, so its not reliable to go down this route permanently. The company is Champion btw
EDIT: when i said virtually identical, i meant in terms of construction. The walmart supertech filter is made of standard paper, the Mobil 1 is made out of synthetic filter media, which filters better and holds more crap. If you change every 3000 miles, use walmart, if you wait longer between OCIs, use Mobil 1 or whatever other quality filter.
Last edited by Col Ronson; 10-01-2009 at 03:22 PM.
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