Choosing the BEST OIL FILTER...FRAM vs WIX vs K&N vs Others
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Published on Apr 28, 2016
Wix XP vs K&N vs Royal Purple vs Amsoil vs Fram Pro Synthetic All filters have the following features: - 99% efficiency - Silicone anti drainback valves - High quality gaskets - Metal end caps - Metal center tube - Synthetic filter media (Exception K&N - impregnated cellulose) Can thickness: - Fram Pro Synthetic = .62mm - Wix XP - .73mm - K&N - .83mm - Royal Purple - .80mm - Amsoil - .83mm About Bypass Valves: Oil bypasses the filter media. Why....? Often because: - If filter is clogged. - Due to oil pressure