K&N air filter - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 8 Old 05-11-2008, 03:06 PM Thread Starter
 
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K&N air filter

Hello
Does the K&N air filter replacement for the wee require a K&N gasket or will the OEM gasket work?
Is there an improvement in performance with the K&N? The local Suzuki dealer wants about $50 for ordering in a stock filter.
Who is the best online source for either stock or K$N air filters?
Thanks

Last edited by basstodave; 05-11-2008 at 03:51 PM.
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post #2 of 8 Old 05-11-2008, 03:25 PM
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The K&N Filter has the gasket material built into it. You DO NOT reuse any gasket material from the stock setup. It will only go on one way, and when installed, apply a slight coating of grease to the "gasket area". This makes it seal good.

BTD.
post #3 of 8 Old 05-16-2008, 07:39 PM
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K&N Filter

I recently changed my filter, and I put in the K&N. It was $60 for the K&N, or $40 for the Suzuki OEM. I figured that $40 bucks on the disposable was stupid when I could spend the extra $20 on the lifetime filter. The change wasn't bad, and it fit snuggly. The K&N came with some grease around the gasket, so I just put it on. I couldn't tell much of a difference, but I can't in most vehicles. I think I'm immune to that power. My brother changed the exhaust on our car, and everyone but me noticed a difference in power. Maybe I'm missing that part of the brain...

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post #4 of 8 Old 05-18-2008, 06:47 PM Thread Starter
 
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K&N

Is it necessary to soak the filter media with oil or OK to install dry?
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post #5 of 8 Old 05-18-2008, 07:41 PM
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it comes pre-oiled

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post #6 of 8 Old 05-18-2008, 07:53 PM
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I put one in a while ago, purchase some PJ-1 air filter oil in spray can when you buy yours and save on shipping. It is preoiled and has a nice silicone gasket. I did not notice any performance gains either. I often wonder though if they allow larger particulates through as compared to the stocker. Common sense tells me, if it flows better as they claim, it must not be as fine a mesh or somthing like that.
Anyway, get one and keep it clean.
I wash mine in the laundry sink flushing with hot water and dish soap outwards only, then hit it with a wet dry vac, oil and your good to go another 5-8k.

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post #7 of 8 Old 05-18-2008, 08:53 PM Thread Starter
 
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K&N

Thanks for the info. I bought the K&N because I couldn't find a reasonable price for a OEM air filter. The OEM has a metal screen attached to the bottom side. Interesting.
The K&N is probably a less dense filter media than stock and maybe the increased air flow comes with a trade off toward letting larger dirt particles through. Maybe also the oil has something to do with capturing dirt. Don't know but when perusing a Google search for K&N I came across an article written by some type of authority claiming his need to rethink the value of K&N air filters after some tests were done showing that the increase in air flow comes with the price of letting more dirt through. I didn't spend any time reading through the entire article.
I would speculate if K&N was a bogus product for us bikers the word would be out against them by now. Probably most have found no noticeable increase in performance. I expect to imagine an increase anyway just for fun.
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post #8 of 8 Old 05-19-2008, 12:50 PM
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Quote:
Originally Posted by basstodave View Post
The K&N is probably a less dense filter media than stock and maybe the increased air flow comes with a trade off toward letting larger dirt particles through. Maybe also the oil has something to do with capturing dirt.
Yes, the filter element is less dense than a paper element, but the oil is the real filter. The filter media is mostly there to hold the oil in place. That's why it needs to be washed and re-oiled; when the oil becomes saturated with dust it looses it's filtering capacity.

Quote:
Originally Posted by basstodave View Post
I would speculate if K&N was a bogus product for us bikers the word would be out against them by now.
Well, threads about the K&N either praise them as the greatest thing since sliced bread or curse them for destroying every engine they've ever been put in. No telling how any particular thread is going to go, flip a coin. So yes, there are plenty of opinions against them. I have a coworker in fact who has told me he would never buy a vehicle that he knew a K&N has been installed in.

That said, I have seen a few dust tests on K&N filters and they typically have a filtration efficiency around 97% (OEM's usually specify 95%). I also know that Chrysler (and one of the Japanese car makers IIRC) offer factory performance kits that include K&N filters. I doubt they would if the filter didn't meet their engineer's performance requirements.

I still have a spare OEM filter on the shelf (bought two to save on shipping) but after that one has been replaced then I think I'm going to go with a K&N. I ride in sandy/dusty conditions a lot, and I'll be able to clean and reinstall the K&N more frequently than I would change the stock filter.

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