k&n Filter

[clb0099]

you bought it brand new? i can get one used for 15.00 .. you think i should go for it

[blinkwatt]

Stick to the OEM paper filter. K & N filter cost me $240 for a new MAF.

Originally Posted by clb0099

you bought it brand new? i can get one used for 15.00 .. you think i should go for it

i got my new for $35.00 on ebay.i wouldn't get a used.but yeah go for it

[clb0099]

well there is not difference between the new one or used one. Cause once i get the cleaner kit it all the same.

[Darkhamr]

Well the Box is not the only car that has had a MAF destroyed by the filter oil, but it's still a great filter just make sure it doesn't have excess oil. Blow it off before installing.

[xclusivecar]

Originally Posted by Darkhamr

Well the Box is not the only car that has had a MAF destroyed by the filter oil, but it's still a great filter just make sure it doesn't have excess oil. Blow it off before installing.

How do you know its a "great" filter? Compared to what? What perceived benefits do you believe you have achieved by adding this filter to your car?

Just curious...

[Adam]

I've had a B&M filter which is basically an expensive K&N for the last 3 yrs with absolutley no issues.

[Darkhamr]

Originally Posted by xclusivecar

How do you know its a "great" filter? Compared to what? What perceived benefits do you believe you have achieved by adding this filter to your car?

Just curious...

Hey, I appreciate someone challenging 'opinion' based claims on the internet. I should have stated why. Here is why I made that statement. I elevate a couple of factors above others when considering a filter. For my performance vehicles flow rate is my number one consideration and as such gauze flows more than any other types. Whether you can utilize that difference in your particular setup is another matter. Most OEM intake setups will not benefit from changing from paper. Next is that I like my filters to be kept very clean, so paper filters I replace quite often where as the K&N I can wash and reuse and is more cost effective to me. Finally I like the build quality as many OEM types I've used have crushed and lost shape quickly. I'm sure it doesn't filter as well hence the requirement for oiling, but that doesn't play into my considerations.

Flow Tests

http://www.mkiv.com/techarticles/filters_test/2/

[MNBoxster]

Hi,

You make many points, both pro and con, in the argument. The K&N and other gauze-type filters may supply more flow, but at the expense of more grit entering the engine (and consequently the Oil). If that doesn't matter to you (as it doesn't with a Race Engine), then further discussion is moot.

But, consider that in ISO 5011 tests - http://www.billswebspace.com/AirFilterTest.htm , the gauze-type filters, especially the K&N, repeatedly clogged in ⅓ the time of a conventional paper filter, negating any initial gains pretty quickly.

As you profess an obsession with keeping your filters clean, this wouldn't especially matter. But, for many who don't share this obsession, the gains experienced by a switch are very short-term, and will actually result in a negative sum gain through the service life of the filter. Also, realize and consider that the longer a filter is in service, the better it actually filters (but at the expense of increased restriction) as the already trapped particles restrict the size of the pores or openings even further.

But, for many, who are not concerned primarily with flow, nor obsessed by cleaning the filter continuously to insure this, the K&N and other gauze-type filters aren't a good thing. To say nothing of the expense of a shortened Oil Change interval, and potential premature MAF failure. Except for bragging at the Bar, I see little benefit, but lots of negatives.

K&N in particular uses the allure of Marketing and gains out of context to increase their sales. They're not really concerned about the negative effects it can have on you car longterm, nor do they tell the whole story. Similar to what STP did in the '60s and '70s.

If they were so great in a street application, why doesn't a single manufacturer offer them, even as an option where they could mark-up the hell out of the thing?

I do use a gauze-type filter on my Formula VEE for maximum flow (especially since the filter is only there just to keep rocks out of the intakes), since regular Oil changes and rebuilds are already part of the deal anyway. But, on my Street Cars, I stick with the OEM paper filters...

Happy Motoring!... Jim'99

[Bavarian Motorist]

What does re-oiling require? What exactly do you re-oil with? Thanks