K&N seems to always have the best option.
For my 2018 tuned GT, I just got a K&N high flow drop in air filter to swap into it. You can get it off of American muscle for like $60. I'd say do that and save more money for tune/exhaust.
K&N in my 3.7
I recommend K&N. Some say it helps the car feel sportier (not really that noticeable imo), but you can buy the cleaning kit (about $20) and reuse the filter. It’ll help you stay on top of maintenance since it’s a lot easier to clean it 2-3 times a year as opposed to buying a brand new one 2-3 times a year. You can clean the filters so many times with the cleaning kit too.
I bought the washable K&N’s now I just wash em when they look dirty
I bought two K&N filters so I don’t have to wait for it to dry I believe the part# is VF2033 I don’t remember what I paid for the them at the time. $40ish bucks but I don’t have to buy another one for a long time
The K&N high flow filters actually make a large difference... IF and ONLY IF you upgrade the intake and delete the OEM airbox with it. If you plan to keep the OEM intake and airbox, it will make not much of a difference.
I've run them on basically everything I've owned for the past 15 years. People hate them because they claim the oil fouls the MAF and that they let in more junk. I've never had a MAF fail and I've had two F-150s go over 200,000 miles on them with their original motors. My current F-150 has 239,000 and counting, no problems with it. Why buy them? I do it because they're re-usable. I think the K&N for my current F-150 was $45 when I got it, and the Motorcraft filters are $10-12. So over time it will save money, kind of, if you don't mind the work. Would I do it again? Nah. I'm done with them because it *is* kind of a pain in the butt to clean and oil them all the time. On two vehicles they added a bit of pleasing intake noise but again, eh. No big deal. I wouldn't waste the money. Just get the manufacturer filter and swap it out every year.
I used to run k&n years ago until I had a before and after used oil analysis done and silicates went up about 30%.
The OEM ones on 3rd Gen Tacomas are better believe it or not. That KN one is going to dirty up quick and mess with your maf sensor.
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