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K&N 81-90 Porche 944 2.5L L4 / 88-90 944 2.7 L4 Drop In Air Filter K&N Engineering KNN33-2079
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K&N 81-90 Porche 944 2.5L L4 / 88-90 944 2.7 L4 Drop In Air Filter

KNN33-2079
024844028952
Air Filters - Drop In
17 Units In Stock - Ships Next Business Day
$ 86.00 $ 83.99
$ 83.99

SKU: 33-2079 | UPC: 024844028952

K&N 33-2079 Replacement Air Filter: Fits 1981-1991 Porsche 944 2.5L L4, 1988-1991 944 S2 3.0L L6, 1987-1988 Porsche 924S 2.5L L4 Drop-In

K&N 33-2079 is a direct drop-in replacement air filter designed for 1981-1991 Porsche 944 models with 2.5L engines including Base and S trims, 1988-1991 944 S2 with 3.0L, and 1987-1988 Porsche 924S 2.5L. This high-flow filter uses layered oiled cotton gauze to deliver more airflow for added horsepower and acceleration while trapping dirt. Washable and reusable for the life of your vehicle with K&N lifetime limited warranty.

Key Features

  • 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that blocks harmful contaminants from reaching the engine
  • Clean Every 5 Years: Requires cleaning only every 75,000 miles under normal highway driving or 5 years at 15,000 miles annually
  • Easy Installation: Pre-oiled and ready to drop into factory air box for straightforward upgrade and immediate performance gains
  • Engineered Power: Advanced media design increases horsepower, acceleration and overall engine response
  • Reduces Waste and Saves Money: Reusable design cuts landfill waste from disposables and saves up to $125 over 200,000 miles versus OEM filters

Product Notes

  • Filter measures 11.25 in long x 7.688 in wide x 1.063 in high with cotton gauze media and rubber top
  • Wash with K&N cleaning kit and re-oil for maintenance every 75,000 miles
  • Ships in box 11.06 x 7.44 x 1.81 inches

Installation Notes

  • Professional installation recommended.
  • Remove factory air filter from air box and replace with K&N 33-2079. no modifications needed
  • Compatible with OEM air box. pre-oiled for instant use

This Part Fits

Year Make Model Submodel
1981-1982 Porsche 944 Base 2.5L L4
1983-1989 Porsche 944 Base 2.5L L4
1987 Porsche 924 S 2.5L L4
1988 Porsche 924 S 2.5L L4
1988-1991 Porsche 944 S2 3.0L L6
1990-1991 Porsche 944 S2 3.0L L6

Why Choose K&N?

  • Over 50 years of air filter innovation for automotive performance
  • High-flow cotton media proven to add horsepower in dyno tests
  • Rugged construction with premium materials built to last vehicle lifetime

Frequently Asked Questions

  • Q: Does this fit my 1985 Porsche 944?
    A: Yes, K&N 33-2079 is a direct drop-in replacement for all 1981-1991 Porsche 944 2.5L models including Base trim and 1987-1988 924S
  • Q: What material is used in this filter?
    A: Layered oiled cotton gauze media with 4 protective layers for maximum airflow and filtration
  • Q: What is the warranty and cleaning process?
    A: Backed by K&N No-Hassle Lifetime Limited Warranty. wash every 75,000 miles using K&N kit and re-oil

Shipping & Handling

  • Method: Standard ground shipping
  • Availability: In stock - ships same or next business day
  • Packaging: Secure box measuring 11.06 x 7.44 x 1.81 inches
  • Weight: 1.2 lbs

Request For Information

Have questions about K&N 81-90 Porche 944 2.5L L4 / 88-90 944 2.7 L4 Drop In Air Filter? Fill out the form below and we'll get back to you by the next business day.
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