quick K&N filter question

[Mosko111]

wanting to buy a K&N filter off ebay, now i have 3inch pipe that i want it to be attached to using a hose clamp, what do i search to get that size? do i need to buy a 3inch x 8 inch filter?

and is the flange diameter the size that needs to be 3 inch?

[Struth]

Go to the K&N website and look up the part number you want to buy, they will have all the relevant dimensions on the site.

[Mosko111]

its the first time im buying one mate, just got rid of the old safari snrkel and now have a custom made one,

so i have 3inch pipe i need to fit the pod to, but just wasnt sure if thats the "flange" diamater

[azwa]

its the first time im buying one mate, just got rid of the old safari snrkel and now have a custom made one,

so i have 3inch pipe i need to fit the pod to, but just wasnt sure if thats the "flange" diamater

k & n at the top of ya snorkel will probably get flogged you'd be better off with a cheap pod filter mate go to superheap,
buy the k & n for the inside of your airbox , if you go onto there website you'll get a part # for your particular vehicle.


azwa.

[chimpboy]

http://www.knfilters.com/search/univ2.aspx?ID=S0013" onclick="window.open(this.href);return false;

image shows what is what. I believe that "flange inside diameter" ("F") is probably what you need to match to your pipe.

Search by type here: http://www.knfilters.com/search/universal.aspx" onclick="window.open(this.href);return false;

You realise these things are complete shite compared to a proper paper filter though.

[azwa]

You realise these things are complete shite compared to a proper paper filter though.

no i didnt know that chimpboy , please enlighten me.

azwa.

[6.5 rangie]

You realise these things are complete shite compared to a proper paper filter though.

x2

[chimpboy]

no i didnt know that chimpboy , please enlighten me.

You will find a lot of discussion online, including on this forum. I guess it is always debatable but I find the arguments against the K&N filters pretty convincing.

For mine your best bet is to have a good airbox between the outside world and the motor, with a good conventional paper filter in it.

[Mosko111]

the K & N will have a metal shroud protecting it so it getting smashed isnt a worry to me, and whats a good quality paper filter brand chimp boy? when i do an engine swap ill look into on in an airbox, at this stage ill stick with a pod and then straight through to turbo as it wont be used many times before it all taken out...

[6.5 rangie]

K&N are great in road cars where dust is minimal, but off road not so good as they breathe to well and let to much dust through

[ISUZUROVER]

What the others have said... K&N are only for road (if at all).



Here are some measurements I did OEM against K&N replacement (all land rover 2.5 Tdi filters). The difference may not look like much, but over any length of time it will mean your engine is chewing on a lot of dust with a K&N. Notice also that the K&N measurements level off at ~90% they don't actually get to 100%.

Those who do oil analysis and drive with K&Ns in dusty conditions have found highly elevated silica levels in their oil.

[chimpboy]

Just personally, if I were on a budget I would look at adapting a box from some other car, like a falcon or commo, which have 75mm outlets, then a paper filter to go inside.

If I had more dough I would look at a donaldson air box.

It depends on available space of course.