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 instructionsheet 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.

Charts

Installation Instructions (PDF)

Guides & Documents

Air Filter Elements Installation Instructions (465E1987)

Warranty Information

K&N Warranty Info (PDF)

CARB warning

K&N E-1987 Specifications

KEY SPECS
MFG. Part #	E-1987
Brand	K&N

GENERAL
Material Type	Cotton Gauze
Overall Height	6.063"
Shape	Round Tapered
GTIN Code	024844226532
Base Outside Diameter	6"
Flange I.D.	3.625"
Flange Length	0.625"
Flange Type	Centered
Top O.D.	5.063"

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Fitment

2012 Audi A3

2008-2014 Audi A4

2008-2014 Audi A4 Quattro

2008-2016 Audi A5

2008-2016 Audi A5 Quattro

2009-2017 Audi Q5

2009-2016 Audi S4

2008-2017 Audi S5

2014-2017 Audi SQ5