If anyone wants to take the time, you will find that the top three filters are all oiled from the factory. (AfE, Greenn & K&N. Couldn't find factory statement on AEM although it is based on K&N helping to design. I would say that any of these could do the job. Factory filter is just as expensive, and depending on dealer, may be more.
Air Filters - OEM, Green, K&N, others?
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Check aFe dry flow s 31-10220 fits Hellcats good flow specs (non oiled)
aFe 31-10220 Magnum FLOW OER Air Filter PRO DRY S for Dodge Challenger Charger V6 V8 Amazon Automotive
Not the dry filter version.
As mentioned, oiled filters primarily become an issue with over-oiling and poor maintenance.
"A foreign object, whether it be engine oil blow-by, dust, dirt, or debris can mess up the accuracy of a MAF sensor. I don't think you'll have problems running an aftermarket oiled air filter/air intake so long as you properly maintain it. An oiled air filter can increase the risk to MAF sensor residue issues, not directly, but indirectly (think about how the purpose of the filter oil is to collect dust and debris; the oil residue collects on the MAF, the dust/debris collect on the residue etc) so, as a result, I think the response from SRT is more preventative in nature to recommend not using oiled filters." ~ me
The above being said, our sister GM cars had a TSB that had techs inspecting for over-oiled air filters and oil residue on the MAF sensor. If there were signs of this, they would deny warranty repairs to the MAF if there were issues etc.
Again, I see it as a warranty CYA just as if you applied anything else aftermarket to your vehicle.
In the end, you have to weigh the benefits vs the risks.
When I picked my hellcat up from the dealer,,I asked the service manger ,,, if I put a K&N filter in, will there be a warranty issue,, he said no..I then asked are you 100% sure,, he again said not an issue...so I bought a green one the next morning
Hey what is the part number for the Green filter? I only see them available for the 6.4l or 5.7l. Appreciate the help.
#7139. I installed it months ago with no issues for the sensors. It's on sale now too.
At 4200 RPM:
460.61 became 491.23 hp
576.07 became 614.99
Max Power :
HP went from 649.41 to 658.60
Torque went from 592.43 to 621.32
No issues at all. Put 2400 miles on the car in 8 days. CA, NV, UT, MT, WY, and back to CA. The torque is noticeable in all gears (M6).
Has it gotten wet? Wash or from rain? BTW those are some big gains
K&N Typhoon Intake for Hellcat Charger or Challenger | SRT Hellcat Forum
"leaks a lot of water through that hood vent"
The car has been washed several times, but we do not direct water down the vent in the hood. We have not had any rain at this point. No issues with the filter.
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