K&N® - 33 Series Panel Air Filter

5151 reviews / Item # sp6126
K&N® - 33 Series Air Filters
K&N® - 33 Series Air FiltersK&N® - 33 Series Air FiltersK&N® - 33 Series Air FiltersK&N® - 33 Series Air FiltersK&N® - 33 Series Air FiltersK&N® - 33 Series Air FiltersK&N® - 33 Series Air FiltersK&N® - 33 Series Air FiltersK&N® - 33 Series Air FiltersK&N® - 33 Series Air FiltersK&N® - Cleaning GuideK&N® - Warranty InformationK&N® - Air Filter Overview 602x420K&N Authorized Dealer
$35.99 - $95.99
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K&N Air Filters

33 Series Air Filter by K&N®. A K&N 33 series OE replacement air filter is designed to increase horsepower and acceleration. These washable and reusable panel air filters are easy to install because they fit directly into the existing vehicle factory air box.

K&N - F.A.Q.K&N - Air Filter CleaningK&N - Warranty

Features:

  • Improves engine airflow
  • Increases horsepower and acceleration
  • Superior filtration without reduced airflow
  • Reduces maintenance costs
  • Washable and reusable
  • Get up to 50,000 miles between cleanings under normal driving conditions
  • Backed by K&N's Million Mile Limited Warranty

Most air filters on the market are a compromise. Many high-performance filters deliver better airflow, but sacrifice filtering ability and engine protection in the process. OEM filters, which are usually made of paper, filter adequately but at the expense of airflow. And airflow decreases as these air filters become dirty. Not so the K&N air filter. K&N air filters increase airflow without decreasing filtration ability, and the increased airflow remains consistent throughout the filter's service interval. The secret is in the K&N filter's construction.

K&N's initial goal was to develop a filter that would deliver increased airflow during dirty, dusty off-road racing conditions. Increased airflow improves the efficiency of the combustion process, increasing horsepower and torque. But just increasing airflow without ensuring adequate filtration under those conditions would result in a ruined engine. K&N's solution was a filter design consisting of 4 to 6 layers of cotton gauze sandwiched between two aluminum wire screens. The cotton is then treated with a specially formulated grade of oil that causes tackiness throughout the cotton’s microscopic strands. The resulting K&N filter not only delivers increased airflow while trapping dirt particles that could harm your engine, that level of airflow is maintained even as the filter gets dirty. The layers of oiled cotton fibers in the K&N filter trap dirt particles that are smaller than the holes in the filter media. The thickness of the layers also allows the K&N filter to trap dirt and dust on many levels, trapping more dirt without decreasing airflow. Contrast this with a paper filter that only traps dirt on its surface; as the surface area becomes clogged, the airflow rate goes down.

Each K&N air filter is custom designed to fit into your existing factory air box. The K&N filter is economical because it's the last air filter you'll have to buy for your car. It can be washed and reused many times, and since you can usually drive up to 50,000 miles between servicing, you won't have to clean it very often. And every K&N filter is backed by K&N's Million Mile Limited Warranty.

K&N® is the inventor and leading innovator of reusable cotton gauze filter technology for automotive applications. The first K&N filter was conceived for racing over 40 years ago and a performance enthusiast mindset continues today throughout all levels of the company. K&N is the sales and brand leader for performance filters, including an extensive line of factory replacement filters and performance air intake kits. The company actively promotes the environmental, economical and performance advantages of long-life reusable cotton gauze filters.

Product Reviews

(151)

Every Customer can leave a review about our service and the product that was purchased. In order to leave your review for your new product, please follow the link in the email you receive after completing your purchase. You can rate appearance, ease of installation, price/value and product quality.

K&N® - 33 Series Air Filters
K&N® - 33 Series Panel Air Filter
Average Rating: 4.9 of 5
5
5 of 5
2015 Volvo
When I place the order, I entered my vehicle as a 2015 Volvo, but when I received the confirmation, it came back saying the filter was for a 2012 Volvo. I immediately tried to cancel, but due to the fact it was a weekend the order was never cancelled by the manufacturer. It looked the same shape as the factory filter, so I decided to try it before returning. It fits perfectly. Very pleased the the purchase.
WPosted by (Tucson, AZ) /
2012 Volvo XC60
Was this review helpful for you? Yes
5 of 5
K&N Air Filter
Easy to install. Noticed a difference when taking off right a way. When cleaning the K&N filter on my other vehicle was very easy.
VPosted by (Narvon, PA) /
2015 Chevy Colorado
Was this review helpful for you? Yes
4.5 of 5
Notable Improvements
Feel a notable difference in power.
TPosted by (Liverpool, NY) /
2013 Mitsubishi Lancer
Was this review helpful for you? Yes
5 of 5
Great!
This product is very high quality! While I can't say I see a huge difference in power (just by feeling of the car) or even better gas mileage. I can say that I feel confident that my engine is breathing through a high quality long lasting filter!
JPosted by (Westerville, OH) /
2014 Honda Accord
Was this review helpful for you? Yes
4.3 of 5
K&N
Great product, best in the biz.
WPosted by (Boca Raton, FL) /
2013 Lincoln MKX
Was this review helpful for you? Yes
5 of 5
Easy Install
Fits perfectly.
BPosted by (Jarrettsville, MD) /
2014 Chevy Traverse
Was this review helpful for you? Yes
4.5 of 5
Real Power
Best on the market, would buy for all my Jeeps.
CPosted by (Road Town, AA) /
2006 Toyota RAV4
Was this review helpful for you? Yes
4.8 of 5
Great Product
Great fit and good instructions, works as advertised.
MPosted by (Willow Street, PA) /
2005 Ford Explorer
Was this review helpful for you? Yes
5 of 5
2015 Impala LTZ
No problems, have installed in 3 vehicles and love it, great product.
PPosted by (Springfield, IL) /
2014 Chevy Impala
Was this review helpful for you? Yes
5 of 5
K&N
It's K&N what can I say.
BPosted by (Selma, NC) /
2013 Scion FR-S
Was this review helpful for you? Yes
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K&N® - 33 Series Air FiltersK&N® - 33 Series Panel Air Filter    $35.99 - $95.99
5151 reviews
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