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E-1987
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K&N E-1987 Air Filter

Universal Air Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.7 out of 5 stars   13 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 E-1987 Air Filter fits some Audi A3, Audi A4, Audi A4 Quattro, Audi A5, Audi A5 Quattro, Audi Q5, Audi S4, Audi S5, and Audi SQ5 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 ShapeRound Tapered
Base Outside Diameter6 in (152 mm)
Filter MaterialCotton Gauze
Filter Re-Oiling Amount2.12 oz (63 ml)
Flange Inside Diameter3.625 in (92 mm)
Flange Length0.625 in (16 mm)
Flange TypeCentered
Flanges1
Height6.063 in (154 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height7.25 in (184 mm)
Product Box Length6.5 in (165 mm)
Product Box Width6.5 in (165 mm)
Product StyleUnique Universal Air Filter
Top MaterialNone
Top Outside Diameter5.063 in (129 mm)
Top StyleRubber
Weight1.7 lb (0.8 kg)

K&N E-1987 Air Filter Product Reviews

Friday, April 14, 2017 - Part E-1987
Fits like a glove, instructions were almost perfect. I believe I have a slight gain in acceleration and gas mileage. All my cars have always been equipped with K&N filters.

Mark Lovretin
Morris Plains, New Jersey
Friday, December 9, 2016 - Part E-1987
Awesome filter in my S5 with Stage 1+ 2, with supercharger pulley upgrade, made a big difference in air flow to the supercharger in low and high speed acceleration.

George Cambria
Brooklyn, New York
Tuesday, September 20, 2016 - Part E-1987
Good service - and a good product.

Steve Mccully
Norwich, United Kingdom
Monday, May 9, 2016 - Part E-1987
I have always been pleased with K&N products, for my vehicles. I have not been able to make the 1 Mil. mile claim yet, but I'm working on it. I would like to see more products for foreign made auto models, such as Audi, Mercedes Benz, etc. Such things as Cold Air Intake Systems, not just filters.

DJ Ehrlich
Rincon, Georgia
Tuesday, February 16, 2016 - Part E-1987
Ordered on the Monday, fitted by Tuesday morning. Very easy to fit, comes with very easy to follow instructions, plus a layout diagram for the car your fitting it to, if your not 100% how to fit it. It seems to have had the desired effect too, the engine feels slightly more responsive under acceleration, and the engine sounds a little throatier, which is nice because V6's sound awful when you rev them, this does it's best to hide the high rev whine.

Tony Morgan
Yorkshire, United Kingdom
Wednesday, December 23, 2015 - Part E-1987
I have 5 different vehicles and all have K&N air filters

Bob O'Neill
Sarasota, Florida
Thursday, December 10, 2015 - Part E-1987
To be honest, the installation was easy. Fits as good as the stock filter. I didnt notice any change in performance.

Frank
Rancho Cordova, California