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The K&N High-Flow Original Lifetime Engine Air Filter is a premium, washable air filter engineered to increase horsepower and acceleration by improving airflow up to 50%. Designed with four layers of cotton gauze filtration, it traps harmful contaminants while lasting the lifetime of your vehicle. Compatible with select 2011-2025 Toyota, Lexus, Mitsubishi, and Fiat models, it offers easy installation, eco-friendly reuse, and is backed by a million-mile limited warranty. Proudly made in the USA, this filter is a cost-effective upgrade trusted by millions seeking enhanced engine performance and longevity.





| ASIN | B003LS2PW4 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #5,763 in Automotive ( See Top 100 in Automotive ) #66 in Automotive Replacement Air Filters |
| Brand | K&N |
| Brand Name | K&N |
| Customer Reviews | 4.8 out of 5 stars 2,624 Reviews |
| Fit Type | Vehicle Specific Fit |
| Global Trade Identification Number | 00024844268556 |
| Included Components | Air Filter, Warranty Card, Decal |
| Item Dimensions L x W x H | 4.69"L x 4.21"W x 0.59"H |
| Item Type Name | Engine Air Filter |
| Item Weight | 16 ounces |
| Manufacturer | K&N Engineering |
| Manufacturer Part Number | 33-2443 |
| Manufacturer Warranty Description | Million mile limited warranty |
| Model Number | 33-2443 |
| Number of Items | 1 |
| OEM Equivalent Part Number | 178010P050, 178010P051, 1780131130, 6000608368, A04861756AA |
| OEM Part Number | 178010P050, 178010P051, 1780131130, 6000608368, A04861756AA |
| Product Dimensions | 4.69"L x 4.21"W x 0.59"H |
| Product Grade | Replacement Part |
| Shape | Square |
| UPC | 024844268556 |
| Unit Count | 1.0 Count |
M**N
Great Product
If you care about your car, K&N washable/reusable filters are an excellent add to your vehicle. I run these on all my vehicles (car, truck, motorcycles). They save a lot of money and perform very well!
E**A
Great Product, Not Applicable
I’m only giving K&N a 5 star because I know how great their products are. I’ve had it on my Infiniti G37, tuned BMW 335i, my 2nd gen Toyota Tacoma, and never had an issue. Recently traded in for a 4th gen Tacoma TRD hybrid and ordered the filter. After I installed it, I drove to pick up my fiancée from work and back home. Immediately I felt a loss of power and torque making it seem it needed more air and acceleration to get up to speed even in Sport mode. I just reinstalled the original Toyota air filter and it’s back to normal and torquey. Wish this filter would’ve been okay because now I have the K&N filter cleaner and oil sitting in the garage to not be used again after using K&N for so long lol. I’d put it on any other car but I don’t think it’s best on the new Tacoma unless it’s got the Overland Tailor Tune.
C**E
Perfect fit!
I’ve used K&N filters for years. This is a perfect fit for my 2019 Toyota Rav4!
R**N
Performance and economy. First mod for every vehicle
I've purchased these filters for long time and in turbo cars is a must. I noticed great improvement is city driving mpg. Bought it for a nx200 back in 2018. Just got a Nx300Fsport and must say is just a day and night difference when using these filters.
W**T
Nice cabin noice
So far I ha e drove it for few miles and it has added 2 more mpg! So far loving the response time too
H**T
Better filter not performance
2023 Camry XSE. New filter to replace my OEM filter. Did research to see was it worth the upgrade. On dyno, Carquest filter slightly out performed OEM filter (1.4%). On dyno, K&N filter out performed OEM by 3.5%. K&N filter is longer lasting, and I'm willing to clean it. I didn't get the cold intake because the engine area doesn't breathe well enough. The filter was very easy to put in. No tools needed. Took 5 minutes tops. Fit great. Dropped right in.
A**I
Initial thoughts are awesome!
The first thing the packaging was nice and simple with a pamphlet showing off the other products and QR codes to take you to how-to videos. The filter itself was really high quality feeling definitely heavier than a standard filter and the rubber gasket was nice and soft and slightly oiled up. Installing it on a 2022 Highlander was extremely easy. I look forward to slight performance gains and ease of cleaning. If all goes well I'll probably grab the other k and n products.
J**W
It works like a champ!!
I pick up 10 HP just like they said!!
C**Z
Nickel dans mon fiat fullback
Montage très facile et rapide.
Q**Y
Very good
100% proper
M**A
bueno y barato!
modelo exacto para mitsubishi l200 año 2023
J**Z
Producto original
Aunque no estaba disponible en pocos días se envió,todo perfecto
A**R
فلتر هواء
ممتاز جدا و مناسب للافالون ٢٠١٩
Trustpilot
2 months ago
1 week ago