K&N air filter - Yamaha YFZ450 Forum : YFZ450, YFZ450R, YFZ450X Forums

XxsnowboardxX · 11-15-2011, 02:55 PM

Hi what is everyones opinion on the K&N air filter and how much dirt does it let in

quadracer0414 · 11-15-2011, 04:49 PM

Ive always used k&n on everything , my truck my bikes, boat, i really like then

'05 YFZ Racer · 11-15-2011, 08:18 PM

I won't touch one. I've had some very bad experiences with them even with outerwears. There is much better out there filtration wise. I'd go UNI all the way!

DirtDestroyer · 11-15-2011, 08:46 PM

do k&n filters add any hp or performance?

'05 YFZ Racer · 11-15-2011, 08:55 PM

Yes changing a filter can make a difference but a Fuel Customs intake will make a huge difference. And if you are just looking for a filter, go for a UNI or No-Toil.

DirtDestroyer · 11-15-2011, 08:59 PM

the fuel customs intake look just like k&n filters whats the difference?

'05 YFZ Racer · 11-15-2011, 09:04 PM

I believe that they use a K&N but the power gain is from a different routing of the intake boot and I think it comes with a different airbox. I don't know because I don't personally have one but I have seen the gains and they are good kits. It's up to you what you want to run but I'm just saying that I wouldn't run a K&N if I were you. I've had enough bad experiences to not buy them.

Kovatch · 11-21-2011, 01:25 PM

FCI has their own filter. It is an 8 ply filter which is twice the plies as a K&N.

eagertorace · 11-21-2011, 01:37 PM

k/n works good if its maintained regularly, for added protection you can
put a foam wrap over the k/n.....IMO I like the k/n

8ball · 11-21-2011, 01:54 PM

K/N has worked good for me so far; have it in my bikes and guads.

nickmell · 11-21-2011, 02:26 PM

K&n let alot of dust through, If you ride where there isnt much fine dust they may be find but I wouldnt try it.

torcha · 11-26-2011, 03:07 AM

i use the fci filter on my bike and k+n on everything else. most times that a k+n fails is physical damage or incorrect recharge, the filter needs to be cleaned from the inside out very low preasure, dried totally, then oiled, then the oil must dry then use it. i believe the fci is the same. i ride in australia and its pretty dusty here and i never get grit in my intake

Aussie YFZ450R · 12-09-2011, 05:29 PM

I currently use a K&N and am only mildly impressed by it, especially for the price. I think I'll be upgrading to a FCI soon but the cost is quite high ($335) too.

ctown208 · 12-09-2011, 05:41 PM

i have two k&n air fillters/ proflow kits in like new condition. on for the r models and for the carbd models, if your intrested. i ran one of them on my carbed bike, and it let dirt in. wasent to happy with them, when i was done riding i swabed the intake tube, there was a fine dust in there.

CAMYFZ450 · 01-31-2012, 11:57 AM

K&N lets a lot of dust in even with the outerwear cover on it. I have had to many bad experiences with them to buy another one. Go with a UNI filter

11-15-2011, 02:55 PM	#1 (permalink)
XxsnowboardxX Member Join Date: Nov 2011 Location: Texas Posts: 42	K&N air filter Hi what is everyones opinion on the K&N air filter and how much dirt does it let in __________________ Know your Limits, But Never Accept them-Mark Freeman

11-15-2011, 08:18 PM	#3 (permalink)
'05 YFZ Racer Senior Member Join Date: Aug 2011 Location: Warren, PA Posts: 569	I won't touch one. I've had some very bad experiences with them even with outerwears. There is much better out there filtration wise. I'd go UNI all the way! __________________ Paul York #77 York Racing "RACE FOR A CURE" 2005 YFZ450 Modifications from York Racing, Pro Armor, Hot Rods, Wiseco, ITP, TUSK Offroad, and MAXXIS. Big Thanks To All Of the People Who Have Helped Me Over The Years: Mom And Dad Grandpa And Grandma Tom Carlson At TC Racing Nate McNett At McNett Performance ~In Loving Memory Of Dave Morelli, Thanks Grandpa~

11-15-2011, 08:55 PM	#5 (permalink)
'05 YFZ Racer Senior Member Join Date: Aug 2011 Location: Warren, PA Posts: 569	Yes changing a filter can make a difference but a Fuel Customs intake will make a huge difference. And if you are just looking for a filter, go for a UNI or No-Toil. __________________ Paul York #77 York Racing "RACE FOR A CURE" 2005 YFZ450 Modifications from York Racing, Pro Armor, Hot Rods, Wiseco, ITP, TUSK Offroad, and MAXXIS. Big Thanks To All Of the People Who Have Helped Me Over The Years: Mom And Dad Grandpa And Grandma Tom Carlson At TC Racing Nate McNett At McNett Performance ~In Loving Memory Of Dave Morelli, Thanks Grandpa~

11-15-2011, 09:04 PM	#7 (permalink)
'05 YFZ Racer Senior Member Join Date: Aug 2011 Location: Warren, PA Posts: 569	I believe that they use a K&N but the power gain is from a different routing of the intake boot and I think it comes with a different airbox. I don't know because I don't personally have one but I have seen the gains and they are good kits. It's up to you what you want to run but I'm just saying that I wouldn't run a K&N if I were you. I've had enough bad experiences to not buy them. __________________ Paul York #77 York Racing "RACE FOR A CURE" 2005 YFZ450 Modifications from York Racing, Pro Armor, Hot Rods, Wiseco, ITP, TUSK Offroad, and MAXXIS. Big Thanks To All Of the People Who Have Helped Me Over The Years: Mom And Dad Grandpa And Grandma Tom Carlson At TC Racing Nate McNett At McNett Performance ~In Loving Memory Of Dave Morelli, Thanks Grandpa~

11-21-2011, 01:25 PM	#8 (permalink)
Kovatch Senior Member Join Date: Aug 2007 Location: NE OH Posts: 823	FCI has their own filter. It is an 8 ply filter which is twice the plies as a K&N. __________________ 2009 YFZ450R Baldwin, DP, DID, Houser, K&N, Maxxis, LSR, PD, PEP, Rath, RPM, Sparks, SunStar, WorksConnection Waiting on Six5Designs for my YFZR stuff. =) Special thanks to Baldwin Motorsports

11-15-2011, 04:49 PM	#2 (permalink)
quadracer0414 Member Join Date: Aug 2009 Location: collinsville, il Posts: 95	Ive always used k&n on everything , my truck my bikes, boat, i really like then

11-15-2011, 08:46 PM	#4 (permalink)
DirtDestroyer Senior Member Join Date: Jun 2011 Posts: 107	do k&n filters add any hp or performance?

11-15-2011, 08:59 PM	#6 (permalink)
DirtDestroyer Senior Member Join Date: Jun 2011 Posts: 107	the fuel customs intake look just like k&n filters whats the difference?

11-21-2011, 01:37 PM	#9 (permalink)
eagertorace Senior Member Join Date: Mar 2008 Location: KENTUCKY !! Posts: 524	k/n works good if its maintained regularly, for added protection you can put a foam wrap over the k/n.....IMO I like the k/n __________________ KCCR 2010 yfz/x BB edition...GONE KTM 505SX Gtthunder....

11-21-2011, 01:54 PM	#10 (permalink)
8ball Member Join Date: Jul 2011 Location: Tampa, FL Posts: 99	K/N has worked good for me so far; have it in my bikes and guads.

11-21-2011, 02:26 PM	#11 (permalink)
nickmell Senior Member Join Date: Aug 2010 Location: Oakland MD Posts: 1,726	K&n let alot of dust through, If you ride where there isnt much fine dust they may be find but I wouldnt try it. __________________ “Speed has never killed anyone, suddenly becoming stationary… that’s what gets you.” - Jeremy Clarkson

11-26-2011, 03:07 AM	#12 (permalink)
torcha Member Join Date: Sep 2011 Location: Western Australia Posts: 62	i use the fci filter on my bike and k+n on everything else. most times that a k+n fails is physical damage or incorrect recharge, the filter needs to be cleaned from the inside out very low preasure, dried totally, then oiled, then the oil must dry then use it. i believe the fci is the same. i ride in australia and its pretty dusty here and i never get grit in my intake

12-09-2011, 05:29 PM	#13 (permalink)
Aussie YFZ450R Junior Member Join Date: Dec 2011 Location: Waterford, Brisbane, Queensland, Australia Posts: 21	I currently use a K&N and am only mildly impressed by it, especially for the price. I think I'll be upgrading to a FCI soon but the cost is quite high ($335) too. __________________ 2009 YFZ450R - Pro Circuit Full Exhaust - PCV - K&N Airfilter - Lonestar +2" Steer Tube - Lonestar Anti-Vibe Stem - Honda Bark Busters - ODI Lock On Grips - Trailtech Vapor - Fox Float R Front Shocks - Alba Bumper Bar - Alba Nerfs (Ordered) - GTYR Bashguard - Outlaw Racing Rear Brake Disc - ITP Berm Raiders -

12-09-2011, 05:41 PM	#14 (permalink)
ctown208 Moderator Join Date: Oct 2011 Location: Caldwell Idaho Posts: 512	i have two k&n air fillters/ proflow kits in like new condition. on for the r models and for the carbd models, if your intrested. i ran one of them on my carbed bike, and it let dirt in. wasent to happy with them, when i was done riding i swabed the intake tube, there was a fine dust in there.

01-31-2012, 11:57 AM	#15 (permalink)
CAMYFZ450 Member Join Date: Jan 2012 Location: Maryland Posts: 45	K&N lets a lot of dust in even with the outerwear cover on it. I have had to many bad experiences with them to buy another one. Go with a UNI filter __________________ 08 YFZ 450- Hmf exhaust, hmf jets, uni filter, pro taper bars 04 z400- pro circuit exhaust, dyno jets, cam, nerfs, beadlocks and rzr 2 tires, kn filter, pro taper bars, aluminum shrouds 00 400ex- LTE duals, dyno jets, lte airbox, intake, por taper bars, +2 arms, worcs shocks 06 300ex- 330 bore kit 11.5:1, hmf exhaust, hmf jets, rzr tires, nerfs, pro taper bars, renthal high gear sprokets, ebc clutch 04 honda 90- big gun exhaust, dyno jets ATC 90- all stock

Remove Advertisements Sponsored Links
YFZCentral.com Advertisement