If using OEM Air intake, is it worth it to drop in a K&N Filter?
#41
The K&N filter will not result in a loss of low-end torque. To suggest so is ridiculous.
Go get a dyno before and after to support your claim.
Go get a dyno before and after to support your claim.
Originally Posted by goldmax
Stay with the stock filter. I used a K&N for many miles and didn't realize how much low end torque I had lost using the thing until I replaced it with a Fram paper element. The K&N flows well, but I could really feel it down low, and that is the exact reason I liked the car originally...go low end for it's time and being a V6. Also...as others have said...the K&N flows better because it isn't filtering as well. Hold one up to a light or the sun and you will see many microscopic holes clear thru the filter. It doesn't take a genius to figure out that can't be good for filtration.
#42
Originally Posted by 99BlackMaxMS
I just bought a 99 SE 5spd with 108K miles. I havent yet looked at the air filter but i would assume that it is a stock paper filter. I plan to replace the filter regardless if it is new or old. I do not plan on replacing the stock intake however, and i was just wondering if it is really worth the extra money to buy a K&N over a paper filter. Will there be more hp gain? Will the sound change at all?
#43
Originally Posted by Bobo
The K&N filter will not result in a loss of low-end torque. To suggest so is ridiculous.
Go get a dyno before and after to support your claim.
Go get a dyno before and after to support your claim.
#46
Wow. To add my personal experience: I have had stock setup with paper, stock with K&N, Stock + mid-pipe + K&N, Flipped box with K&N and mid pipe, Flipped box with paper element, Cylindrical K&N w/mid.
When driven like a sane person I have not noticed ANY fluctuation in gas milage and I reached the highest with a flipped box and with my current K&N cylinder filter. There are MANY other factors at play with MPG and range.
Besides getting into true cold-air intake setups, it just depends on what you want to hear, and what you want in the engine bay.
When driven like a sane person I have not noticed ANY fluctuation in gas milage and I reached the highest with a flipped box and with my current K&N cylinder filter. There are MANY other factors at play with MPG and range.
Besides getting into true cold-air intake setups, it just depends on what you want to hear, and what you want in the engine bay.
#49
i added a k-n filter about two months ago the only diff would be the gas miles if you drive hard it seems to leave quick but when driving normal i get alittle more miles about 375 on the street before the filter i was getting 325-350. but then everyone may feel diff about the filter and how it is. i like it
#53
Originally Posted by NmexMAX
I will do a comparison with the stock airbox and see if there is indeed an increase in airflow. MAF %.
http://www.bobistheoilguy.com/airfilter/airtest1.htm
#56
Originally Posted by 2da mizzax
more air = more fuel supplied by the vehicle to match the air which does NOT = more effeciency. And i find it hard to think that nissan designed our cars choking them of needed air. the K&N filter may give you more power since it allows more air but it will also cause you to use more fuel. I personally regret my K&N filter.
There is only an OEM filter in my airbox....no fram crap or anything like that.
#57
K&N filters do filter less than other ones you can buy. If there is any performance gain, it is so tiny that it is not remotely worth the reduction in filtration.
The convenience factor is an illusion. Sure, you never have to buy another air filter again, but cleaning and re-oiling a K&N is much more of a PITA than just changing a conventional filter. As has been said, the cost savings only work out to a few bucks per change at most. Not worth it.
The convenience factor is an illusion. Sure, you never have to buy another air filter again, but cleaning and re-oiling a K&N is much more of a PITA than just changing a conventional filter. As has been said, the cost savings only work out to a few bucks per change at most. Not worth it.
#58
Originally Posted by d00df00d
K&N filters do filter less than other ones you can buy. If there is any performance gain, it is so tiny that it is not remotely worth the reduction in filtration.
The convenience factor is an illusion. Sure, you never have to buy another air filter again, but cleaning and re-oiling a K&N is much more of a PITA than just changing a conventional filter. As has been said, the cost savings only work out to a few bucks per change at most. Not worth it.
The convenience factor is an illusion. Sure, you never have to buy another air filter again, but cleaning and re-oiling a K&N is much more of a PITA than just changing a conventional filter. As has been said, the cost savings only work out to a few bucks per change at most. Not worth it.
plus the cost of purchasing the cleaner and oil kit is at least two filters right there.
A Good thing about K&N is they can custom make you a filter.
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