metroplex
Well-Known Member
- Joined
- October 29, 2000
- Messages
- 509
- Reaction score
- 61
- Location
- Detroit, MI
- City, State
- Detroit, MI
- Year, Model & Trim Level
- 2018 Ford Explorer XLT
I wasn't a big fan of the AEM dry flow filters, sounded great on paper but didn't provide any flow benefits over the K&N or paper. I have not pulled out the air filter or airbox for my 2018 XLT, but the EcoBoost engines are ALL speed density... meaning there is no MAF sensor so you can pour oil straight onto the air filter and let it get sucked into the engine without worrying about MAF sensor contamination. As for the naturally aspirated 3.5L V6, it should have a MAF sensor because I can see the airflow vs. voltage table in the tune, but I couldn't find the harness on the airbox on my 2018.
In fact if you pulled the MAP sensor from your intake manifold on an EcoBoost, it's probably soaked with oil anyhow (or some PCV blow by residue).
I did extensive airflow testing on the different air filters, and none of them provided any sizable performance gains on the EcoBoost. They all flowed as much air as the engine needed, even the dirty paper air filter that I used for 3 years that had bugs and acorns jammed between the pleats that I used to run 12.4 seconds in the 1/4 mile. Just my 2 cents, but everyone wants a CAI to make their engine compartment look snazzy, but on the transverse 3.5 EcoBoost CAI kits, they just let in way too much hot air, or don't flow more than the stock airbox.
In fact if you pulled the MAP sensor from your intake manifold on an EcoBoost, it's probably soaked with oil anyhow (or some PCV blow by residue).
I did extensive airflow testing on the different air filters, and none of them provided any sizable performance gains on the EcoBoost. They all flowed as much air as the engine needed, even the dirty paper air filter that I used for 3 years that had bugs and acorns jammed between the pleats that I used to run 12.4 seconds in the 1/4 mile. Just my 2 cents, but everyone wants a CAI to make their engine compartment look snazzy, but on the transverse 3.5 EcoBoost CAI kits, they just let in way too much hot air, or don't flow more than the stock airbox.