james christie Posted August 21, 2012 Report Share Posted August 21, 2012 I was recommended Pipercross air filters when I fitted my 3A with a fast road set up . After about 9000 km I have just noticed that the second pair have now been consumed just like the first.particularly the rear one. The foam has gone friable. Anybody else had this problem and what did they do about it ? james Quote Link to post Share on other sites
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