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.
K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. Our stock replacement air filters for street vehicles are covered by K&N's Million-Mile Limited Warranty.

Fitment:
Acura NSX Alex Zanardi Edition 1999
Acura NSX Base 1991
Acura NSX Base 1992
Acura NSX Base 1993
Acura NSX Base 1994
Acura NSX Base 1995
Acura NSX Base 1996
Acura NSX Base 1997
Acura NSX Base 1998
Acura NSX Base 1999
Acura NSX Base 2000
Acura NSX Base 2001
Acura NSX Base 2004
Acura NSX Base 2005
Acura NSX T 1995
Acura NSX T 1996
Acura NSX T 1997
Acura NSX T 1998
Acura NSX T 1999
Acura NSX T 2000
Acura NSX T 2001
Acura NSX T 2002
Acura NSX T 2003