K&N air filter specs

=== Here's my suggesti>

I've used K&N filters over the years too, and while the results you cite are not contrary to my experience, I am concerned about recommending these for everyday use in a passenger vehicle. I have done oil analysis on every car on which I've used a K&N. On all 6 cars, this showed many times the amount of silica particles (airborne dust) in the oil than when a paper filter was used. This means that the K&N does not do as good of a job filtering the air, allowing more dirt into your engine. You may very well experience increased engine wear due to this, as your oil filter will not catch it all.

Notice that K&N does not advertise their product as offering "better filtration", only as offfering "better flow". The K&N is a good product for it's intended use, which was not originally long term use in a passenger vehicle.

Matt O.

Open you filter and measure the dimension of the one you are currently using and compare to the specs, buy the one that would be closer in size. Fit it in your car and if you don't like the fit there's always a money back offer.

Swapping will void the warranty.

K&N filter in a Camry..............WHY???

Oh, for fun, that's all. Mostly for passing / fast acceleration onto highways.

Decided against it, finally. Just used a can of compressed air to blow out my existing filter.

Thanks everyone,

Michael

How much does a can of air cost compared to a new air cleaner?

Well, if the K&N filter gave performance comparable to a V6, I would ask instead, "How does the cost of a K&N filter compare to the cost of swapping out my 5S-FE for a V6"?

But then again, there are hidden costs: shortening the lifespan of my

Heh

Michael

Would it be beneficial to change the oil every 2,500 miles (instead of every 5k miles) with a K&N filter, to avoid high concentrations of silica in the oil?

No , K&N filters are designed to flow, you could change the filter screen oil every 10 minutes and it wont make a noticable difference. I get back to the same old question , WHY put a performance air cleaner in a 4 cyl camry? dave

I meant change engine oil every 2500 miles, not K&N oil.

Why not?

Michael

On Apr 19, 9:50 am, snipped-for-privacy@gmail.com wrote:

Why not,.....let me count the ways, apart from being un nessasary , you will also know, i presume , that vehicle intake systems are set up for specific vaccum specs ,these relate to such things as mass air passing air flow meter or map, which intern sends the appropriate data to the engine ECU and intern this adjusts the engines emission output ,controls spark timing and a whole bunch of other really neat stuff.So lets remove the standard air cleaner and run the vehicle and check emissions.........now lets re install and do the same thing we will of course find a considerable changes in hc's and a signifigant concentration changes in N.O.X. with more air passing the air flow meter and the ECU trying to compensate.This intern is a very good way to fry an o2 sensor (s).As the vehicle will quite probobly now be running "load lean" (this can eisily be proved with a gas anyaliser and dyno) its also a good start to burning exhaust valves.As the last post suggests they work better when they are dirty, WELL I wonder why?????????If you are looking for power increase, remap the ecu and THEN look at intake, then of course exhaust.Or as I tell my customers, if you want your car to perform like a 6 cyl......go and buy one. A standard air cleaner changed a correct intervals and a well tuned car(tuned with correct equipment and knowledge)will out perform a poorly tuned car with a high flow air intake system any time. Im not saying that chucking a performance engineered air cleaner in a standard road car is going to kill the engine the first time you turn the key, but every modification has concequinces. dave

I know some guys who uses K&N high performnce air intake + performance exhaust systems. They also used a remapped ECU, the TRD guys uses quite a similar approach to the supercharged Scion TC. But in my opinion, changing the filter alone, will have some changes but if there are any harm it would be insignificant. The ECU will compensate for the airflow, that's why the engine is VVTi . The stock replacement air filter from KN&N will have greater airlfow but not as much as the performnce air intake where much of the air intake system is replaced. For some money who wouldn't want some more Hp. So if you changed oil every 4,500 miles instead of 5,000 miles and if the economic life of the car is from 20 years to 19 years then not that big a deal, right?

OK sounds like a great idea. just really a matter of not GUESSING and instaed putting the vehicle on some PROFESSIONAL test equipment to see the absolute waste of time these things are on standard road vehicles, and to be in a workshop situation as a professional mechanic to UNDERSTAND the dammage they do.

Why don't you take the spare tire out of the trunk, drive like that. I'm sure thats about the performance improvement that comes with a K&N filter.

Slim

Ok, you've sold me! No K&N for me.

Michael