MkII
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| posted on 24/3/09 at 08:05 PM |
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best air filters
need to replace my K&N filters on my webber 40's because the elements have had it. should I keep the K&N's and fit new elements or
would a pipercross or other foam type filter be better.thanks. m.
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omega0684
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| posted on 24/3/09 at 08:09 PM |
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i think that they are all the same really, those itg ones are popular as well.
[Edited on 24/3/09 by omega0684]
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imp paul
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| posted on 24/3/09 at 08:11 PM |
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ITG are the best flowing and has been proven time and time again  thats that then yeeeeehhhh
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Jon Ison
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| posted on 24/3/09 at 08:35 PM |
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Depends who as done the testing I guess.
Personally K&N every time.
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Toprivetguns
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| posted on 24/3/09 at 08:58 PM |
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ITG. Fed up of re-oiling the K&N's. Alsoly the ITG's are reasonably priced...
[Edited on 24/3/09 by Toprivetguns]
Only drive as fast as your angel can fly... !
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imp paul
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| posted on 25/3/09 at 06:51 PM |
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also itg is used in big race outfits a lot of the time like parma raceing and vauxhall opel rallying and k and n are no good for some cars as it can
oil the air temp censer and give a false reading eg Mitsubishi evo but its your call 
[Edited on 25/3/09 by imp paul]
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flak monkey
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| posted on 25/3/09 at 08:47 PM |
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ITG foams flow a lot better than K&Ns. Cheaper too....
David
Sera
http://www.motosera.com
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imp paul
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| posted on 25/3/09 at 09:38 PM |
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as above
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Jon Ison
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| posted on 25/3/09 at 10:21 PM |
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Can we back this up ?
Also take into account filtration ?
Don't foam filters have to be oiled too to work properly ?
Willing to learn.
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flak monkey
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| posted on 26/3/09 at 07:48 AM |
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quote:
Originally posted by Jon Ison
Can we back this up ?
Also take into account filtration ?
Don't foam filters have to be oiled too to work properly ?
Willing to learn.
I oil my foams with ITG spray.
Just thinking about it logically, K&N's do not allow a straight flow into the trumpets of the carbs/throttle bodies, ITG's do, so
thats got to be a bonus straight off.
The K&N cotton filters are quite densely packed, which is good for filtration but not as free flowing as foam. If you look at the ITG foam its in
about 3 layers. Outside layer is very open, then the inner two get gradually finer.
The ITG's certainly trap a lot of fine dust as well if they are oiled.
Sera
http://www.motosera.com
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Jon Ison
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| posted on 26/3/09 at 09:26 AM |
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But the plate on the K&N can/does assist power, think about an air box, plenum chamber, all that is lost on foam filters.
I,m happy to be educated but would like to see figures to do it rather than hearsay.
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Riskyshift
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| posted on 26/3/09 at 10:55 AM |
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Interesting debate but whether you choose K&N or ITG is there a recognised locost supplier to buy them from? Fleabay is the best I can come up
with.
Ian
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