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Discussion Starter #1
I just ordered a PCIII for my M800. Should be arriving in a few days.

Already have a pair of Sil Motor low mounts. With the addition of the Powercommander, I was hoping to open my airbox to complete the setup.

For those of you with an open airbox, which is the best air filter to use?
In addition, any suggestions when it comes to online vendors selling air filters would also be helpful.

Thanks
 

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Most people like K&N. I have a UniFilter on my bike. I read somewhere that the stock filter actually flows more air, but has the disadvantage that you have to toss it when it's dirty.
 

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I prefer K&N. The main thing is to use a gauze type filter like K&N instead of a paper element filter. With an open airbox, a a paper filter can get wet and disintegrate rather quickly if you hit a rain shower.
 
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That thick stock air filter flows more air than the K&N!? Some how I don't buy that.
 
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I've been using K&N's.....but next dyno run I am going to try the pipercross and see what's up......
 

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Never heard of Pipercross filters. Where are they available?.
I,m also waiting for a PC111. I've got Sil lows and a K&N in the stock airbox on my 03 M1000. I'd really like to ditch the restritive stock airbox lid but always wondered about performance and water intrusion through the air filter. Any feedback on this? 8)
 
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Discussion Starter #9
http://www.pipercross.com/bikes.htm

motowheels sells them.......also BCM

as Mark1305 said about the filter requirements for open boxes....

I didn't get a dyno run with the stock box.
My m900 with a FBF lid and K&N, Leo V cans, is max 79.3hp and 58.8 torque, remapped.
Stock map max was 77.8hp, and 57.9 torque.

three years so far with the box open no problems....

interesting read....
http://speedzilla.zeroforum.com/zerothread?id=16921
 
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Never heard of Pipercross filters. Where are they available?.
I,m also waiting for a PC111. I've got Sil lows and a K&N in the stock airbox on my 03 M1000. I'd really like to ditch the restritive stock airbox lid but always wondered about performance and water intrusion through the air filter. Any feedback on this?
 
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I've run both a K&N and an ITG filter on my bike. Besides the maintenance of the filter, i didn't see any radical change in performance between the two.

The only reason I stuck with the ITG, is that it's easier to clean

For more info:
http://www.fuelsaver.com.au/foam.htm
 
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Thanks for the info retro. So the only true advantage is the life long use?
 
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Yes longevity is an advantge with a K& N type filter that can be washed and re-oiled, but in a stock airbox if it is more restrictive than the stock oem filter, then the trade off could well be performance.
Opening the airbox is another story. I want the performance benefits from increasing the airflow, but I also want protection from the elements, and longevity would be nice also.
So if the topic is best filter for an open airbox, I want one that
can offer good element protection, has good air flow, and lasts
a reasonable amount of time, and is easy to maintain.
If the piper cross for example flows better then I may see some advantage in performance. If it does not last as long but gives me some hp advantage and still has good protection, I would accept that as a fair trade.
 
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With a 620, would an open air box make much of a difference?
Or would it be a waste of time?
If you open the box, add cans and tune the bike, it will make a difference you would notice. As you can see from my dyno figures even tuning the bike gave me more hp and torque....not having a stock dyno run, I can only guess where I was before but I know I saw improvements there also from the box mod and cans. I just can't say how much.
It comes at a price and only you can decide if it's worth it. But since my bike did not run that great out of the box anyways I had to tune it, or go crazy, and my logic was if I am going to tune it then I want to get better flow also and wring out a few extra ponies. For me it was an easy decision also because I live where there is a great tuner and my chip is flashloadable.
 
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