K&N Air Filter 3.0 LZ0 Duramax

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I tired to search as I am sure this has been discussed but what are your thoughts on a K&N air filter for the LZ0 Duramax vs Original?
 
I tired to search as I am sure this has been discussed but what are your thoughts on a K&N air filter for the LZ0 Duramax vs Original?
Not a fan of oiled filters but this is a great filter.

 
I have had really good luck with a couple AEM dry flow filters. Have had one in service for over 11 years and my son is still driving that 2500HD Duramax. I cleaned it with warm water and a few drops of Dawn dish soap every 5k miles. It trapped a lot now dirt and cleaned up really nice. The only drawbacks you need to clean it when you have a couple hours to wait for it to air dry. The material is tight and holds water. It's OK to install a bit damp, but not wet right after a rinse.
 
Granted mine isnt a 3.0 but Ive always heard the oil from the filters could mess up the MAF so I never bothered to run them. Not sure how true it is but it's been mentioned across multiple platforms. When I installed my Air Raid tube, I left the filter out and just rocked the stock one.
 
Granted mine isnt a 3.0 but Ive always heard the oil from the filters could mess up the MAF so I never bothered to run them. Not sure how true it is but it's been mentioned across multiple platforms. When I installed my Air Raid tube, I left the filter out and just rocked the stock one.
They can be cleaned oiled easily, but oftentimes are way over oiled. Also, you can easily clean your MAF sensor with MAF cleaner when you clean the filter. The new synthetic dry filters have proven to filter and flow better.
 
They can be cleaned oiled easily, but oftentimes are way over oiled. Also, you can easily clean your MAF sensor with MAF cleaner when you clean the filter. The new synthetic dry filters have proven to filter and flow better.
So youre saying that using the oiled filter that came with it may be a good idea vs this thick ass HD filter?
 
which ever way anyone goes, when it comes to filters you can clean, just buy two. one to let dry on it's own time and one to run with. nothing worse than being in a rush to toss a damp filter in and rolling the dice. It's not like it's going to break the bank considering the money we dump into these rigs.
 
which ever way anyone goes, when it comes to filters you can clean, just buy two. one to let dry on it's own time and one to run with. nothing worse than being in a rush to toss a damp filter in and rolling the dice. It's not like it's going to break the bank considering the money we dump into these rigs.
I have three so I can alternate them on Monday, Wednesday and Friday.
 
I have had really good luck with a couple AEM dry flow filters. Have had one in service for over 11 years and my son is still driving that 2500HD Duramax. I cleaned it with warm water and a few drops of Dawn dish soap every 5k miles. It trapped a lot now dirt and cleaned up really nice. The only drawbacks you need to clean it when you have a couple hours to wait for it to air dry. The material is tight and holds water. It's OK to install a bit damp, but not wet right after a rinse.
Does dry flow mean not oiled? I think that's the route I want to go.
 
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So youre saying that using the oiled filter that came with it may be a good idea vs this thick ass HD filter?
Probably gonna get similar results flow wise. I seen tests on the stock Delco filters and they filter and flow well. I still run the stock filters on my current trucks, just got tired of the cleaning them. Stock filters certainly cost more too if you change them a lot.
 
Sounds like that's what I'll go with. Can't imagine it's going to make that big of a difference other than last longer with cleaning, but any excuse to tinker, right?
 
Probably gonna get similar results flow wise. I seen tests on the stock Delco filters and they filter and flow well. I still run the stock filters on my current trucks, just got tired of the cleaning them. Stock filters certainly cost more too if you change them a lot.
I changed mine out about 8k miles ago when I first got the truck. Didn’t know if the previous owner did anything so just did all of it. Not the tranny or axles mind you just everything else lol.
 
Supposedly K&N achieves better flow through worse filtration- which makes sense because the panel size doesn't increase. I would avoid.
 
I have spoken with engineers at both K&N and AFE. If they are honest with you, they'll tell you that you will see ZERO performance. The ONLY benefit is that you never have to replace it and reduces cost based on how many miles you put on your truck.
 
I have spoken with engineers at both K&N and AFE. If they are honest with you, they'll tell you that you will see ZERO performance. The ONLY benefit is that you never have to replace it and reduces cost based on how many miles you put on your truck.
A while back there was a Duramax filter test on YouTube. The OEM AcDelco filter flowed and filtered better than most competitors. They cost a lot nowadays, so expensive to change. Mine was plenty dirty at 10k, but it was still functional. I drive in a lot of dusty conditions so an OEM would get changed at 10k. A dry flow would get cleaned at 5k when I did my oil changes.
 
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