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K&N 33-2335 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.9 out of 5 stars   28 Customer Reviews
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®
The K&N 33-2335 Air Filter fits some Mazda MX-5, Mazda MX-5 III, Mazda MX-5 Miata, and Mazda Roadster models. See vehicle applications link for details.
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 Information on K&N Replacement Air Filters]

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Height1.063 in (27 mm)
Outside Length11.938 in (303 mm)
Outside Width6.313 in (160 mm)
Package Contents1 Air Filter
Package Quantity1
Product StylePanel Air Filter
Weight1 lb (0.5 kg)
Filter Re-Oiling Amount1.16 oz (34 ml)
Product Box Height13.56 in (345 mm)
Product Box Length7.72 in (196 mm)
Product Box Width1.75 in (44 mm)

K&N 33-2335 Air Filter Product Reviews

Wednesday, December 13, 2017 - Part 33-2335
Easy to fit. Took less than 5 mins. I’ll be honest though. I’ve noticed no difference in performance at all much as I was will the product to improve efficiently and response. Overall I wouldn’t spend the money again given the choice.

Glasgow, United Kingdom
Tuesday, October 3, 2017 - Part 33-2335
A work colleague recommended a K&N filter to me, so I bought one directly from their website despite other online sites such as EBay offering their product at slightly higher prices. Unfortunately, I made a mistake with my car manufacture date and when the filter arrivied it was clear it wouldn’t fit. I immediately contacted them and they assured me that I would get a refund and that I should re-order my new filter, and gave me the correct part number. I did so, and straight away, my refund appeared on PayPal. Delivery of my filter was literally three days, which is exceptional as it’s free over a certain price. To me, what I fully commend K&N for is that when I contacted them for clearly my mistake was they advised me what to do and I had the correct item dispatched in return. I would fully recommend this company, not only because they sell top quality filters, but they also deliver a personal service to anyone who needs it.

Jayne Jackson
Whittington, United Kingdom
Monday, October 2, 2017 - Part 33-2335
This is my second filter. They are the best.

Louis Lakey
Peterborough, United Kingdom
Monday, September 18, 2017 - Part 33-2335
Excellent product for my MX-5 Mazda. Noticed increased performance immediately and increased mileage.

Don Spillman
Ormond Beach, Florida
Tuesday, July 18, 2017 - Part 33-2335
Easy to install with a friend (3 hands needed when air hose not removed). Just be sure the surround tab fits in the air box correctly and that the air box lid seats correctly. Takes 3-4 minutes to complete installation. Works perfectly from the first start. Performance and torque boost is noticeable immediately. Why didn't I do this years ago?

Jim Pazillo
Studio City, California
Wednesday, June 7, 2017 - Part 33-2335
Easy to install in a few minutes versus the several hours to install a cold air box. No perceptible added intake noise as I am running a RoadsterSport Street Single muffler. Car seems to rev more freely. Good upgrade for a low price. I don't know if there is any gas mileage improvement because I drive the Miata for fun, not for gas mileage.

Robert Harris
Millville, California
Wednesday, May 31, 2017 - Part 33-2335
Great filter, fitted perfectly and really perked up the engine and reusable, a bonus. Plus, superfast delivery and a fabulous company to deal with.

Phil Brattan
Hull, United Kingdom