R4WLV Posted October 21, 2014 Share Posted October 21, 2014 Hi, I've read that the cosworth filter is a good upgrade, but how often does it need replacing, I assume that because it is not a filter that you oil, it will need replacing, probably as often as the oe one. At £34.80 delivered from Demon Tweeks, it's not bad but how long will it last? Cheers, Mart. Quote Link to comment Share on other sites More sharing options...
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