What kind of air filter do you use? - TwoWheelForum: Motorcycle and Sportbike forums
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post #1 of 33 (permalink) Old 05-09-2005, 12:00 AM Thread Starter
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What kind of air filter do you use?

I prefer the K&N for the better air flow, better filtration, and the ease of just taking it out and cleaning it!

What do you think and/or what do you use?

Do you go for old faithfull the OE air filter... truck down to the dealer and pay $22 or whatever every year for a new one...or what?




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post #2 of 33 (permalink) Old 05-09-2005, 12:09 AM
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BMC & K&N in every thing except the Gixxer 50, pocket bike & lawn mower.
Haven't found one for those yet.

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post #3 of 33 (permalink) Old 05-09-2005, 12:11 AM Thread Starter
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They make little K&N style filters for everything... my uncle even has em for his gas powered RC cars...




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post #4 of 33 (permalink) Old 05-09-2005, 12:34 AM
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I know.
I was looking at them for the Gixxer 50.
I just haven't decided if I'm going to mod it yet.

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post #5 of 33 (permalink) Old 05-09-2005, 05:44 AM
 
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K&N for the SV, Colorado, and Firebird.
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post #6 of 33 (permalink) Old 05-09-2005, 07:29 AM
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I still use OEM. How much more can I possible squeeze out of an SV?
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post #7 of 33 (permalink) Old 05-09-2005, 07:39 AM
 
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im still debating, i was going to get a K&N but i dotn knwo if i will need a PC3 cause with a slip on and a filter i dont want to be runing to lean. any opinions are apreciated?????
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post #8 of 33 (permalink) Old 05-09-2005, 08:10 AM
 
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K&N on my bike and truck
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post #9 of 33 (permalink) Old 05-09-2005, 08:41 AM
 
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In our experience on the dyno, K&Ns tend to cause a hp loss. They are good because they are re-usable, but we find that stock cheapo filters are the best way to go.
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post #10 of 33 (permalink) Old 05-09-2005, 08:45 AM
 
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THank you speed werks, i have also heard this too. and on my zx6r i heard the stock filters where actually better then putting a k&n on it.
i think ill keep my stock one untill i get my PC3 and map
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post #11 of 33 (permalink) Old 05-09-2005, 10:24 AM
 
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Quote:
Originally Posted by zx636r
i think ill keep my stock one untill i get my PC3 and map
And then keep it some more

Seriously - no matter what you do, you're going to end up with less power running a K&N on most modern sportbikes. They are more restrictive than the stock filter, which means less air, which means less power. When bikes used to come with really restrictive paper filters, K&N was better ... it's just not so any more.

- Roach
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post #12 of 33 (permalink) Old 05-09-2005, 11:25 AM
 
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Quote:
Originally Posted by SpeedWerks.com
In our experience on the dyno, K&Ns tend to cause a hp loss. They are good because they are re-usable, but we find that stock cheapo filters are the best way to go.
Exactly. Thats what keeping a K&N off my SV. Is the K&N effective with motor work or no?
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post #13 of 33 (permalink) Old 05-09-2005, 12:12 PM
 
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I've read that BMC is better than K&N and has shown gains over K&N filters.
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post #14 of 33 (permalink) Old 05-09-2005, 12:17 PM
 
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For Honda CBR's, the stock filter is better. But I use a K&N because it is so dusty here and I can clean it every two months rather than buying a new one.
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post #15 of 33 (permalink) Old 05-09-2005, 04:57 PM
 
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My buddy told me the same thing, so he went with the BMC race filter, and I stuck with my K&N, I don't know if its worth spending the money to switch and find out the difference for the SV. Has anyone ever tried the BMC race filter in the SV?
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post #16 of 33 (permalink) Old 05-09-2005, 05:52 PM
 
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Quote:
Originally Posted by SVupON1
My buddy told me the same thing, so he went with the BMC race filter, and I stuck with my K&N, I don't know if its worth spending the money to switch and find out the difference for the SV. Has anyone ever tried the BMC race filter in the SV?
On the SV the K&N will cost you about 2hp vs. a stock filter. You won't see any real gain with the BMC, but at least you don't lose anything.

As for K&Ns working with "built" motors ... it's worse. Again, K&N filters are more restrictive than stock filters. A motor that needs even more air than a stock one is going to suffocate - the K&N isn't even allowing enough air to flow through for the stock motor.

- Roach
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post #17 of 33 (permalink) Old 05-09-2005, 05:59 PM
 
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hmm... interesting. ahh well I'll just keep what I got.. I am always the fastest SV when I'm around anyone else on a SV, or a TT600.
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post #18 of 33 (permalink) Old 05-09-2005, 07:29 PM
 
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Damn. Anyone wanna buy a K&N for an 04 R6 ? Hey Jeeps, you got your GSXR 50 back? Didn't it get stolen?
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post #19 of 33 (permalink) Old 05-09-2005, 10:13 PM
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Quote:
Originally Posted by DLITALIEN
Damn. Anyone wanna buy a K&N for an 04 R6 ? Hey Jeeps, you got your GSXR 50 back? Didn't it get stolen?
Yea
Its back and not much worse for ware.
It was stored for three months and sold.
The guy that bought it gave it to his little brother for BD, which got caught ridding it the first day out.

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post #20 of 33 (permalink) Old 05-17-2005, 10:18 PM
 
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Actually a freshly oiled K&N will be more restrictive. BUT after the oil has evaporated (you need to run it for about 100 miles) you will see an HP gain. There are reams of imperical data out there. I hear the Acell Kool Blues are good filters also.
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