Tankaction Posted August 13, 2012 Share Posted August 13, 2012 I dont know if this has been covered, if it has feel free to point me in the direction of the thread I want to change the air filter on my Z and like with most things I dont want to make a decision unless I have reserched it to great lengths so here we go- What are peoples thoughts on the K&N and green cotton air filters I have a 03 plate JDM version T Quote Link to comment Share on other sites More sharing options...
rtbiscuit Posted August 13, 2012 Share Posted August 13, 2012 its the same stuff, the bloke who setup green cotton used to work for K&N and then set his own company up. in comparison they are almost identical i'd be looking at othe roptions like APEXI BMC Pipercross Cosworth Quote Link to comment Share on other sites More sharing options...
ZMANALEX Posted August 13, 2012 Share Posted August 13, 2012 Cosworth and HKS here viewtopic.php?f=157&t=42009 viewtopic.php?f=157&t=48385 In stock and good to go same/next day Alex Quote Link to comment Share on other sites More sharing options...
Allan Zada Posted August 13, 2012 Share Posted August 13, 2012 I went for the cosworth filter myself and i reckon it has added at least 40whp Quote Link to comment Share on other sites More sharing options...
Dblock Posted August 14, 2012 Share Posted August 14, 2012 Most panel filters are roughly the same. If your wanting to ditch the airbox the jwt pop charger is popular Quote Link to comment Share on other sites More sharing options...
DoogyRev Posted August 14, 2012 Share Posted August 14, 2012 I went for the cosworth filter myself and i reckon it has added at least 40whp Quote Link to comment Share on other sites More sharing options...
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