Guest Posted June 4, 2008 Share Posted June 4, 2008 Hi was looking around at K&N air filters for my GPZ500 and was just wondering if they are worth the money or are they just a waste of time? Thanks to anyone with any advice!! Quote Link to comment Share on other sites More sharing options...
Guest Posted June 4, 2008 Share Posted June 4, 2008 I personally find K&N Air filters a big difference, especially on 2 strokes.Makes improvement in sound and I find it improves performance at higher revs.I would recommend one fella.Matty Quote Link to comment Share on other sites More sharing options...
craig Posted June 6, 2008 Share Posted June 6, 2008 i had them on the gixxer and the made it run to lean ,and was lumpy at low revs .but was ok at higher revs.... Quote Link to comment Share on other sites More sharing options...
houdini Posted June 6, 2008 Share Posted June 6, 2008 Running stock filter at the mo but when my can finally arrives will get one and get it set up on a pc3, last bike felt better with one in 8) Quote Link to comment Share on other sites More sharing options...
Triumph_Rat Posted June 6, 2008 Share Posted June 6, 2008 Yes they are worth it. Made a big difference to my bikes. To get full effect use with performance exhausts.And craig the reason your bike was running lean is because K&N filters let in more air. If its a carb bike you have to up your main jet size by probably 2-5 sizes,raise the needle jet,and reset your pilot jet or go up 1 or 2 sizes.If its an injected bike you should get it remapped to let in more fuel.. Quote Link to comment Share on other sites More sharing options...
Voodoo Posted June 7, 2008 Share Posted June 7, 2008 I had K&N filters on a bike once, and I thought they were the biggest pain in the arse ever. If they got wet then they couldn't breath so everytime I washed the bike or if it rained then the bike ran really bad. Quote Link to comment Share on other sites More sharing options...
Fozzie Posted June 12, 2008 Share Posted June 12, 2008 Last time I had one it came with a pretty good decal that said "K&N Filter Charged". Fancy words but well written because the bike felt like it had a turbo charger on it. It was 2-stroke though....It had a deeper note and the mid-range was much better and the top-end was mind blowing in comparison.They really work on the little strokers. Quote Link to comment Share on other sites More sharing options...
Guest Posted June 13, 2008 Share Posted June 13, 2008 2 types of K&N filter, there is the straight replacement for original in air filter box or you can get the ones that fit straight to carb, the 1 in theair filter box should changed will help with breathing and may need slightadjustment, the separate filters may need more, but K&N give lifetimeguarantee so you should never have to replace it Quote Link to comment Share on other sites More sharing options...
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