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K&N 33-2499 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   44 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 33-2499 Air Filter fits some Acura TLX, and Honda Accord 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 in (25 mm)
Outside Length12.188 in (310 mm)
Outside Width7.5 in (191 mm)
Package Contents1 Air Filter
Package Quantity1
Product StylePanel Air Filter
Weight1.1 lb (0.5 kg)
Filter Re-Oiling Amount1.24 oz (37 ml)
Product Box Height13.56 in (345 mm)
Product Box Length7.72 in (196 mm)
Product Box Width1.75 in (44 mm)

K&N 33-2499 Air Filter Product Reviews

Tuesday, December 12, 2017 - Part 33-2499
I really like how well made your filter is.

Ron Witt
Tonawanda, New York
Monday, November 6, 2017 - Part 33-2499
Very fuel efficient.

Nigel Allen
Lutz, Florida
Monday, August 14, 2017 - Part 33-2499
I've been using you product steadly since the 80's and have never been disappointed.

Wilfrid Holloway
Ste Catherine, Canada
Monday, August 7, 2017 - Part 33-2499
2017 Accord. I never have to buy another filter. Air cleaner and cabin filter.

Dale Kearney
Vernon, Connecticut
Thursday, June 29, 2017 - Part 33-2499
I could tell a difference right away with the performance and overall MPG. As you can tell from the pic, the air filter in my 2015 Acura TLX, needed to be swapped out ASAP. I'll ALWAYS use K&N products.

Joshua Gold
Anchorage, Alaska
Wednesday, June 21, 2017 - Part 33-2499
Easy to buy. Easy to clean. Lifetime guarantee.

Chris Baer
Riverhead, New York
Tuesday, May 2, 2017 - Part 33-2499
My new Acura TSX is breathing in more H2o with the K&N filter.

Gregory Ewing
Austin, Texas