sipar69 Posted February 12, 2013 Share Posted February 12, 2013 (edited) Be good to get some opinions on whether it's worth replacing the stock filters on my 370Z with a pair of K & N drop in filters. They seem to get good reviews but since they look to come in at about £100 for a pair I'd like to know what others think. If it makes any difference - my Z has a Stillen exhaust and about 13K miles on the clock. I'm also thinking about an uprev in the near future. Thanks Edited February 12, 2013 by sipar69 Quote Link to comment Share on other sites More sharing options...
glrnet Posted February 12, 2013 Share Posted February 12, 2013 Have a word with Mark @ Abbey, he prefers Cosworth Filters for the 350 Quote Link to comment Share on other sites More sharing options...
FUG Posted February 12, 2013 Share Posted February 12, 2013 i heard some where that the oiled panel filament of the K&n filters can affect the MAF? NOt sure how correct ive got that or if indeed it is true. Everyone seems to have pop chargers which are technically the same in terms of being an oiled filter element and with no problems I would go cosworth though if its a panel filter type you are after Quote Link to comment Share on other sites More sharing options...
rabbitstew Posted February 12, 2013 Share Posted February 12, 2013 I looked into different air filters and for my 313 the consensus was that the stock Nissan one or the Cosworth ones were pretty much the best you could get. I replaced them with Cosworth ones when I had a service and didnt notice any difference. Unfortunately mine was the 313 model, so had 2 air boxes and double the cost. Quote Link to comment Share on other sites More sharing options...
Arran Posted February 12, 2013 Share Posted February 12, 2013 Mark at abbey uses hks filters, I have one in my DE. He said they perform the best out of any he's tested, same as the hks oil filters he stocks. The hks filters look lovely and are really well made fit like a glove Quote Link to comment Share on other sites More sharing options...
sipar69 Posted February 12, 2013 Author Share Posted February 12, 2013 Thanks for the replies guys - I'm talking to Mark about an uprev so will have a word about this with him. Quote Link to comment Share on other sites More sharing options...
rtbiscuit Posted February 12, 2013 Share Posted February 12, 2013 i generally go with apexi if i can as they offer the best filtration along side performance. just be careful, some that offer great performance returns have the filtering ability of a wet tissue Quote Link to comment Share on other sites More sharing options...
OllyB Posted February 12, 2013 Share Posted February 12, 2013 There are 2 cosworth filters in the for sale section that have seen very little use, I think the 350z hr filters also fit the 370? Quote Link to comment Share on other sites More sharing options...
jaffers Posted May 21, 2015 Share Posted May 21, 2015 guys sorry to bring up an old thread.just wanted some advice.....is it better for performance (even if very little) to go for a k&n drop in filter on a 04 model with a standard box rather than the original Nissan? ? thanks Quote Link to comment Share on other sites More sharing options...
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