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K&N Replacement Air Filter for Audi 90, 100, Opel 1100, 1800

  • High Air Flow with Excellent Filtration
  • Increases Horsepower and Acceleration
  • Will Not Void Vehicle Warranty
  • Million Mile Limited Warranty
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Pricing: $47.99


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 virtually every vehicle 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.

Application List

1970-1980 Audi 100

1971-1977 Audi 100 Series

1970-1974 Audi Super 90

1972-1974 Mazda B1600

1971-1974 Opel Manta


Height: 2 in (51 mm)

Inside Diameter: 8.5 in (216 mm)

Outside Diameter: 10.5 in (267 mm)


  • E-2780
  • E-2780
  • K&N
  • New

Shipping Information

  • Item Requires Shipping
  • 1.6 lbs.
  • W12.3000” x H3.6000” x L12.3000”

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