k n air filter - intake opinion?

[Wiredawg]

I used to use K&N religiously on everything I owned prior to my 2009 4500. My new Ram 5500 and my wife's new Ram1500 will o ly have stock air boxes and filters. Just the science and efficiency of the OEM is much better than before. Cheers, Ron

ps, I had purchased an aftermarket cold airbox ans oiled filter for my 2009 4500, but didn't try to put it on until early this year. It kept setting codes so took it off.

 

[nukegm]

comrades!
thanks for the replies. im buying stock in k and n.

just kidding. also read genos quit selling gauze filters.

again, thanks for the input. had no idea they were so crappy.

cheers!

 

[12LaramieHO]

Nukegm..
I previously ran the K & N filters on a 2000 Ford PS diesel for 250,000 miles from about a week after it was new. And yes I did my research back then and I felt fairly confident in them. Never suffered any oil related issues, nor any air intake system related problems. Matter of fact, that 7.3 PSD never had ANY issue.
However, fast forward 2012.
New Cummins TD HO Laramie. I started ALL the research again, I spent more time that I care to admit, a lot of it here on TDR, plus every other source I could find. I was extremely detailed and prudent.
Bottom line, as you have read above posts, the new Cummins systems are far superior to anything previously on the market and yes they will support 600 HP. AND VS K&N they filter better. The K & N will flow more air, and because of that that allow more particulates, etc.
Bottom line, my 2012 Laramie runs the stock intake, box and filters.
One more word on the "you become your own warranty station". A friend of mine bought a 2010 or 2011 Cummins TD new. He bought it new, from the dealer.
One day having it serviced, he noticed a hot performance Cold Intake system in the parts department so he bought it and installed it.
Six month's later he had some minor issue, so he took it in. First thing they did was popped the hood and plugged in the "scanner". Of course the the Intake system stuck out like a sore thumb.
The Service Manager turned to him and said very flatly, "You just voided your warranty". This was the same dealer that he purchased the damn thing out of their Parts Dept.! They will not give any wiggle room any more, so I wont even go there. Been there, done that.
So stick with the stock system that's my vote.

~12LaramieHO

 

[nukegm]

Nukegm..
I previously ran the K & N filters on a 2000 Ford PS diesel for 250,000 miles from about a week after it was new. And yes I did my research back then and I felt fairly confident in them. Never suffered any oil related issues, nor any air intake system related problems. Matter of fact, that 7.3 PSD never had ANY issue.
However, fast forward 2012.
New Cummins TD HO Laramie. I started ALL the research again, I spent more time that I care to admit, a lot of it here on TDR, plus every other source I could find. I was extremely detailed and prudent.
Bottom line, as you have read above posts, the new Cummins systems are far superior to anything previously on the market and yes they will support 600 HP. AND VS K&N they filter better. The K & N will flow more air, and because of that that allow more particulates, etc.
Bottom line, my 2012 Laramie runs the stock intake, box and filters.
One more word on the "you become your own warranty station". A friend of mine bought a 2010 or 2011 Cummins TD new. He bought it new, from the dealer.
One day having it serviced, he noticed a hot performance Cold Intake system in the parts department so he bought it and installed it.
Six month's later he had some minor issue, so he took it in. First thing they did was popped the hood and plugged in the "scanner". Of course the the Intake system stuck out like a sore thumb.
The Service Manager turned to him and said very flatly, "You just voided your warranty". This was the same dealer that he purchased the damn thing out of their Parts Dept.! They will not give any wiggle room any more, so I wont even go there. Been there, done that.
So stick with the stock system that's my vote.

~12LaramieHO

i will stick with stock intake. i appreciate your input. my 01 2500 has had kn on it for 239,000. all good. but the new 18 2500 is twice the price new, so ill leave things alone...when 36k comes, i will debate purchasing mopar warranty, given the 29 days at the dealer for a hydraulic clutch issue.....cheers comrade!

 

[12LaramieHO]

i will stick with stock intake. i appreciate your input. my 01 2500 has had kn on it for 239,000. all good. but the new 18 2500 is twice the price new, so ill leave things alone...when 36k comes, i will debate purchasing mopar warranty, given the 29 days at the dealer for a hydraulic clutch issue.....cheers comrade!

Enjoy that beautiful truck!

 

[Newsa]

have a g56. because im a caveman....

My whole family is full of cave people

 

[JR]

Apparently

 

[JohnWelch]

If you insist on running a K&N, and don't delete your truck, your wasting time and money, the stock exhaust is much more restrictive than the factory air box and filter. If you can't get air out, no need to try an put it in. My deletes are, no dpf, no NOx, factory muffler, factory pipes, and a stock air filter, and no codes..

 

[endoscott]

Why does the owners manual for these trucks not even mention air filters? It's not listed under the various maintenance items and there is no reference to air filters in the index. Are we just supposed to carry a spare and wait until we get a code? I mean they are not that expensive so I don't mind changing at specified interval or more often if driven in dusty conditions...but I hate to change it just to be changing it. Pacific NW is not a very dusty environment generally. I changed mine at 30,000 and now at 60,000 maybe I should do it again, but it would be nice to know if it's necessary so I am not throwing money away.

 

[Cummins12V98]

Mine mentions the air filter twice in the index to look on 260, NUTTIN! same goes for the Diesel maintenance, NUTTIN.

I must have the 20k service in my head from my 11's manual.

I change mine every 15k just because it's easy to do all my services at 15k other than the trans and front axle I do them at 30k.

 

[p-Bar]

Here's the ISO 5011 test for your reading pleasure.
http://www.billswebspace.com/AirFilterTest.htm

 

[zmos]

I’m going to get kicked in the nuts for this...

I’ve had the k&n in my truck for around 50k. Ive read all the negatives but still did it. My warranty was up so...I love to hear that turbo. I check the MAF sensor and Turbo at least ever oil change for oil build up from the oiled filter. I also monitor the oil with regular oil Analysis. That being said, only time will tell. My 2014 Laramie Limited is a work truck. I tow a blasting/dustless blasting rig daily. Around 10k. If I would have listen to my wife I would be driving a bare bones tradesmen. I love my limited, but I get sand/glass Everywhere inside. When I purchase a second truck, I’ll probably get the tradesmen. And leave it completely stock.

 

[Ozymandias]

I love my limited, but I get sand/glass Everywhere inside. When I purchase a second truck, I’ll probably get the tradesmen. And leave it completely stock.

You can ad the OEM Interior Airfilter to your Vehicle, just need to buy the fioter and the door for it.
Its right behind the glove box.

That help HUGE against dust inside.
No one knows why RAM decided to deliver the vehicle without them, a few have them right from factory.

https://www.turbodieselregister.com/threads/genos-cabin-filter-kit.253558/

 

[endoscott]

p-bar that ISO 5011 test is fascinating. nothing like FACTS to help make decisions. Looks like that was done in 2004. Hope they do it again sometime so we can see if there have been some good engineering improvements in any of these brands. To me it looks like the AC-Delco is the best performance for our CTD trucks unless they are heavily modified.

 

[p-Bar]

Endoscott yes that test was a good decision maker for people. You can pull 1000 cfm through the stock air box. This was done when CFM + developed their intake. I was present at the test using the stock air box and paper filter.

 

[nukegm]

Endoscott yes that test was a good decision maker for people. You can pull 1000 cfm through the stock air box. This was done when CFM + developed their intake. I was present at the test using the stock air box and paper filter.

comrade pbar - thanks for the link. i sent it off to dozen gearhead buddies. they all loved it. very informative. so just thanking you for the link. cheers.

 

[p-Bar]

Your welcome nukegm. We had large discussions on this back when the 3rd genners had just come out.

 

[endoscott]

OK, so how often do you change your air filter? You use the Fleetguard from Genos or Mopar or do you find an AC- Delco filter in the correct size? And how exactly do you determine if its "too dirty" and needs changing? That seems like when I use my "eye-crometers" for measuring things-pretty arbitrary. Or should I just keep a spare in the truck and change it when the EVIC tells me to?

 

[R.Taylor]

K&N is garbage, Pure marketing... Oiled filters leave oil downstream on everything like sensors and turbine blades. Even back in the 80's anyone with smarts ran a dry filter. As others have stated... Stock filter is great. If you want to spend money just to spend money then I'd say get an AEM dry flow drop in filter.

 

[endoscott]

I know, I don't want a K&N, I am just trying to figure out the appropriate change interval for either Fleetguard or Mopar filter short of just taking it out and looking at it. But maybe thats fine. I will just carry a spare with me. They are not cheap so I don't want to do it at every oil change, but I do want to do the optimal preventive maintenance. Usually the manufacturer has a recommendation but for my 2014 6.7 CTD air filters are not mentioned anywhere in the owners manual or maintenance schedule. So maybe it's appropriate to wait until the sensors indicate air cleaner is dirty. Never had that happen becuase I have been doing it at relatively short intervals on dealer recommendation.