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Old February 16th, 2010, 09:48 PM   #1
jonthechron
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K&N Filter or Pod

K&N KA-2508 or R-0990?

Advantages and disadvantages? I know I could grab the pod for about 25-50% less, but does this price come with disadvantages? My bike is already disassembled, so removing the air box would not be a problem. I have a stock exhaust and stock needles. Eventually will get an aftermarket exhaust, but not for a while.
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Old February 16th, 2010, 10:29 PM   #2
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The pod will let the most air in. (like having nothing on there basically)
Rejet and needle shim will be required no matter what going to pod. Expect to need a jet kit designed for a pod filter. Otherwise you won't get above 5-8k. lol
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I used the factory pro 3.0 jet kit as per kkim's link.

IMO, the stock airbox is a PITA and the K&N r-0990 looks sweet with no runners while being easier to work on.

I dunno which has a better performance though.
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Old February 16th, 2010, 10:34 PM   #3
jonthechron
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Thanks for your response, but after jetting and adding the pod will I notice a difference using the stock exhaust?
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Old February 16th, 2010, 10:36 PM   #4
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You will notice a major difference. Like night and day. Best $130 you'll put into it, but plan on a full exh system to get good flow and no melted honeycombs.

You'll probably need $10-$20 in vacuum fittings and caps etc to plug off some lines too.
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Old February 16th, 2010, 10:48 PM   #5
jonthechron
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Alright thanks! I'll bump this mod up in priority, I was going to change to SS brake lines first but this will be on top of the list. Keeping an eye on Yoshimura Full exhaust, but I have only heard it on youtube... I have yet to hear any of the aftermarket exhausts up close.
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Old February 16th, 2010, 10:54 PM   #6
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you'll lose some low end power if you remove the airbox, but it will breathe better at higher revs. you will notice a difference even if you keep the stock exhaust.

I would recommend keeping the airbox for now and get the panel replacement filter, unless you're planning on getting a full exhaust in the near future.

FYI, removing the airbox is a royal PITA.
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Old February 17th, 2010, 12:07 PM   #7
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If you have to ask keep the airbox. Re-jetting for pod filters is a PITA. Pod filters are noisy. Getting the airbox out is a PITA.

On the plus side pod filters can make a little more power (if jetted correctly). Removing the carbs to change jets is much easier without the airbox.
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