air-filters-direct-fit

K&N - Air Filter (33-5028)

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$72.99

$112.99

You save: $40.00 (35%) off MSRP

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  3. 2018 Cadillac CTS Vsport
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About this product

Part #: 33-5028

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make 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. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.

More Details

Cap Outside DiameterOEM
Diameter Inside (in.)OEM
Diameter Outside (in.)OEM
Filter MaterialCotton Gauze
Filter Re-Oiling Amount3.52 oz (104 ml)
Filter StyleDry
Height (in.)1.719 in (44 mm)
Outside Length12.25 in (311 mm)
Outside Width10.938 in (278 mm)
Overall Length (in.)12.25
ShapePanel (Flat)
Width (in.)10.938
Additional Documents
  1. Technical Bulletinpdf

See what our community says about kn products

Stephen Vanlandingham

69

Stephen Vanlandingham
1997 Honda Civic
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What made you choose this particular product?
Amazing Performance
Is this your first time buying from this brand? Did you consider other brands?
No. And yes others were considered
Was it easy to install? Any installation tips that will help others?
Self-Installed very easily
Once you've had a chance to use the product, did it meet your expectations?
Yes it did
View on Stephen's build
Instagram GotJaws

525

Instagram GotJaws
2017 Ford Focus RS
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Easy mod to install and provides Better air flow and goes with other mods for a low price
View on Instagram's build
Patrick Kingcaid

76

Patrick Kingcaid
2009 Ford Flex
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
It's K&N
View on Patrick's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Used it in my 350z before, and I liked it.
Is this your first time buying from this brand? Did you consider other brands?
Nope, not really.
Was it easy to install? Any installation tips that will help others?
Very easy to install
Once you've had a chance to use the product, did it meet your expectations?
Yes, don't need a full intake system, because daily driver, filter works well.
View on Kelvin's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Price and Performance
Is this your first time buying from this brand? Did you consider other brands?
No
Was it easy to install? Any installation tips that will help others?
Easy to install.
Once you've had a chance to use the product, did it meet your expectations?
Did notice minor power gains at low speed.
View on James's build
California prop 65 warningWARNING: Cancer and Reproductive Harm www.p65warnings.cs.gov

*Some manufacturer restrictions apply.

About K&N

K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and air intakes in over 30 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies.

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Wheelwell helps you organize all your stuff for your car, I’ve loaded all my cars on Wheelwell and you can see all the parts I’ve put in them and that may help you make a decision with your own build.

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Matt Farah

Smoking Tire / The Drive

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Thank you for all the help, really. You guys are awesome. This is all great info and I really appreciate everything you have done to help me with my build.

James M.

Ford Focus ST

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Your customer service is wonderful. Thank you for taking care of this. My review will express all. Thank you!

Wallace R

Chevrolet Silverado 1500