AFE Dry S Pro

I ordered the AFE dry filter and have only had it in a little over a week. I have read that some claim that the even though it lets more air in the filtration isn't as good as an OEM paper.

But I'm thinking even if some particles do get through, I'll probably have to rebuild the engine or get a new motor long before it would have an adverse affect anyhow.

Has anyone used a dry type filter for any length of time and noticed if it really made a difference as far as affecting the engine?

Performance or any gain in mileage isn't the issue, I just thought that as long as I own the vehicle I won't have to buy another air filter. Any benefits after that would be a plus. Thanks.

 

Site suggestions ftw

 

There have been a few threads in the 2nd Gen section where people have showed what gets past the high flow filters. Granted, they drive in dusty areas where there are a lot of fine particles in the air, but why risk it? The performance gains are minimal, if any, so why would you knowingly give your engine less protection? Personally, I'll pay $10 a year and keep replacing the paper filter as needed

 

I did find this:

The dry types are a synthetic fiber that has small micron pores. They flow better than paper filters and do just as good of job in filtration. IMO they're the next generation of filters OEM will look to. There's a reason why most stock air filters aren't oiled.

Most don't "see" any harm with an oiled filter. The proof that it isn't doing a top notch job is in the used oil analysis. Once you do a used oil analysis, you'll find higher silica levels. More silica is more wear, even with a good motor oil. Yes I know many say,"My insert vehicle had 300,000 miles before it quit and it had a K&N on all the time." More than most likely, if proper filtration and silica levels were lower, it could have been more than 300,000 before it quit. It doesn't mean instant death to run an oiled filter, but you may not be getting the full potential life of several components.

K&N admits their filtration isn't the greatest and the cumulative rating was achieved only after the filter was filled with debris. So it filters better when caked with dirt. From K&N's ISO 5011 testing website:

Stock filters are usually above 99.5% filtration efficiency out of the box, the aFe Pro dry is 99.2% but flows more cfm than stock and flows nearly as well as an oiled filter. A .3% reduction in filtration with a dry filter vs. an up to 3% reduction in filtration with an oiled one to achieve the same flow....You can decide which one to run.

. . . For now, from what I have read the difference is negligible I'll stick with the AFE Pro Dry S.

Thanks for the responses . . Happy Tacotering!