Should one go for a K&N high performance airfilter?

[Disclaimer: At the outset we would caveat that this blog is not intended to be a selling tool for K&N airfilters and we advice you to decide on the purchase of a K&N or OEM / after-market filters…
[Disclaimer: At the outset we would caveat that this blog is not intended to be a selling tool for K&N airfilters and we advice you to decide on the purchase of a K&N or OEM / after-market filters…

K&N SN-2530 Air Filter

Ask The Experts at K&N How to Use K&N Air Filter Oil – How Much Oil Do I Use?

K&N Performance Panel Air Filter

K&N High Flow Air Filter for Mercedes-Benz M271

K&N Performance Air Filter, MK7 Air Filter

KN High Flow Air Filter - Subaru WRX STI 2008-2014, 33-2304

K&N Air Filter Review - Debunking the Myths (and why OEM is better)

Shop By Brand - K&N Performance Air Filters

Your Guide to Cold Air Intake Filter Cleaning - Car and Driver

K&N High Performance Air Filter E-1690

ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance

K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 7.5 In

RE-0930 K&N Rep. Air Filter - TPS GARAGE LLC

Kia Sorento 2.5L 2021, 33 Series Panel Red Air Filter (33-5108) by K&N. K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N makes over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple.

K&N 33-5108 Hyundai Sonata Replacement Air Filter

Would a K&N High Performance Air Filter (not a cold air intake, but rather the box looking air filter) provide any horsepower increase for my car? Further, will it make the engine

RU-4950 K&N Universal 2.5 High Performance Air Filter