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K&N KA-2508 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.6 out of 5 stars   17 Customer Reviews
  • Designed to provide increased horsepower and torque
  • Pleated media provides a large filtration area offering long service intervals
  • Multiple layers of woven cotton gauze media offers excellent filtration
  • Application specific base seal and sealing bead
  • Made in the USA for over 40 years
  • Washable & reusable, pre-oiled and ready to ride!
  • Million-Mile Limited Warranty
The K&N KA-2508 Air Filter fits some Kawasaki EX250R Ninja, Kawasaki EX300 Ninja, Kawasaki EX300 Ninja ABS, Kawasaki EX300 Ninja ABS ES, Kawasaki EX300 Ninja ABS KRT Edition, Kawasaki EX300 Ninja ABS SE, Kawasaki EX300 Ninja ABS Winter Test Edition, Kawasaki EX300 Ninja SE, Kawasaki Ninja 250R, and Kawasaki Z300 models. See vehicle applications link for details.
K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle.

[More Information on K&N Replacement Air Filters]

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Height0.625 in (16 mm)
Outside Length8.25 in (210 mm)
Outside Width5.375 in (137 mm)
Package Contents1 Air Filter, 1 K&N 1oz Sealing Grease
Package Quantity1
Product StylePanel Air Filter
Weight0.3 lb (0.2 kg)
Filter Re-Oiling Amount0.44 oz (13 ml)
Product Box Height9.69 in (246 mm)
Product Box Length7.72 in (196 mm)
Product Box Width1.75 in (44 mm)

K&N KA-2508 Air Filter Product Reviews

Tuesday, December 5, 2017 - Part KA-2508
Noticed more responsiveness when giving the bike gas. However, I have also noticed it running very lean due to the bike getting more air. To combat the air to fuel ratio problem, I'll either have to get it dyno tuned or buy a power comander. But other than that, the product is great. Would definitely recommend.

Douglas Faircloth
Pensacola, Florida
Friday, September 29, 2017 - Part KA-2508
Quality product but wouldn't recommend for ninja 300. made no difference in power. If looking for more power out of a 300, save your money and just get a faster bike. ;)

Zac Crossley
Mudjimba, Australia
Friday, June 9, 2017 - Part KA-2508
Professionally packaged and delivered. Contained everything needed for the installation. The air filter fits the bike and improved the performances since the first minutes of riding.

Thursday, February 16, 2017 - Part KA-2508
Put the filter on my wife's ninja. What a difference. She loves it. With the yoshi slip on, it's fixed the fuelling with no flash. Delivery to Australia was fast and I'm very happy. Thanks guys.

Daniel Burns
Sandstone Point, Australia
Monday, November 14, 2016 - Part KA-2508
Shipping took over a week.

Clay Scolaro
Myrtle Beach, South Carolina
Tuesday, August 23, 2016 - Part KA-2508
A first rate service from K&N, very quick delivery, even quicker to install the air filter into my Kawasaki ninja300, which now has an even quicker throttle response and definatley more noticeable power throughout the range. Especially from mid to high rpms and a slight change in induction noise, for the better,.. The filter has instantly made the little 300 that bit more fun to ride. I also haven't noticed a drop in fuel mpg. Its around the same as usual which is surprising considering how well it runs with the filter in and added bhp ( which is noticeable ).. A great product to improve any small CC engine..

Michael Upton
Urmston, Manchester, United Kingdom
Friday, June 3, 2016 - Part KA-2508
Filter fits perfect. Fast shipping.

Joaquin Garcia
Fallbrook, California