
K&N's statement on their filters' ineffectiveness at filtering
May 7, 2012 · Every musclecar, offroad, and hot rod show "upgrades" their cars with K&N filters. Every aftermarket focused magazine recommends K&N. Very very few people realize how much their filters suck.
Opinions on K&N OIL filters... - AnandTech Forums
Feb 18, 2010 · I've pretty much accepted the fact that their air filters are bogus and can result in engine getting loads of extra dirt in it, but have any of you guys tried their oil filters? On paper they sound pretty good, but I have reservations about their use of "resin" to trap particles. Sounds...
So wait.... K&N air filters really just lots more dirt in your engine?
Oct 9, 1999 · I saw a link in the sig of someone here (I forgot who they are now) that was to a test of air filters that seemed to show that K&N air filters really kinda suck - that they don't offer any appreciable boost in power and let something like 45X more dirt than standard filter. Is this true? I …
K&N vs DNA air filters? - Yamaha FZ-09 Forum
Apr 12, 2015 · I do believe the GYTR and K & N filter are one and the same minus the K & N logo on the GYTR version. RichBaker is somewhat correct. I've owned a few cars that are not to run aftermarket gauze style air filters because of the dirt that they let …
K&N Air filters - worth the extra cash? - AnandTech Forums
May 6, 2008 · A direct swap in for a K&N air filter was 50 dollars for my car, and I drive a Honda (I saw the K&N filters for trucks and bigger SUV's up in the 70's). Therefore, you pay 5 times as much and K&N says to re-oil them every 40,000 miles, so …
So wait.... K&N air filters really just lots more dirt in your engine ...
Oct 9, 1999 · K&N operates an ISO compliant test facility on a daily year round basis where we test our air filters in accordance with the ISO 5011 Test Protocol to ensure they will protect your engine as well as help your car run better.
Air Filter Brand Make a Difference?? - AnandTech Forums
Mar 17, 2011 · I looked at the K&N one for the customer review, and found this in the description: Product Description K&N's lifetime replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. The air filter is custom-designed to fit into your existing factory air box and the drop-in design means adding performance is simple. The …
Why not just get a larger filter surface area than a K&N?
Dec 30, 2004 · That's a lot of resistors. Putting a larger or freer-flowing air filter on does in theory improve performance, but its improving one small portion of a large resistor network. There are some dyno tests showing an initial power gain with a K&N filter (or other 'performanc'e air filters), there are other tests showing power losses with K&N air ...
K&N air filter - Yamaha FZ-09 Forum
Jul 29, 2023 · Ran the k&n air filter for a season and the only difference to the OE filters is the induction sound. I found the need to clean and oil atleast once a year a deal breaker - the OE is maintenance free for many seasons.
K&N filter for mt09 2021 - Yamaha FZ-09 Forum
Apr 20, 2023 · Anyone fitted the K&N air filter to a 2021 Yamaha mt09 and does it still run well? if I fit one it won’t be for extra performance it will simply be to save money over the coming years, my bike is standard no flash or aftermarket exhaust.