Air Filtration / Air Filters

KNRU-1032 RU-1032 K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio...

K&N Universal Clamp On Filter Fits 1.75 in (44 mm)4.5 in (114 mm) H x 3.5 in (89 mm) OD - KNRU-1030KNRU-1030RU-1030K&N's Universal Air Filt...

K&N Universal Clamp On Filter Fits 6 in (152 mm)4 in (102 mm) H x 7.5 in (191 mm) Base OD x 5 in (127 mm) Top OD - KNRU-1009KNRU-1009RU-1009SPE...

K&N Universal Clamp On Filter Fits 4.5 in (114 mm)4.5 in (114 mm) H x 5.875 in (149 mm) Base OD x 4.5 in (114 mm) Top ODKNRU-1005RU-1005K&N...

K&N Universal Clamp On Filter Red Fits 4 in (102 mm)Height: 5.5 in (140 mm) H x 6 in (152 mm) Base OD x 4.75 in (121 mm) Top OD - KNRG-1001RDKN...

K&N Universal Clamp On Filter Fits 3.5 in (89 mm)6 in (152 mm) H x 6 in (152 mm) Base OD x 4.625 in (117 mm) Top OD - KNRE-0950KNRE-0950RE-0950...

K&N Universal Clamp On Filter Fits 3.5 in (89 mm)9 in (229 mm) H x 6 in (152 mm) Base OD x 4.625 in (117 mm) Top OD - KNRE-0920KNRE-0920RE-0920...

K&N Universal Clamp On Filter Fits 3 in (76 mm)8 in (203 mm) H x 5 in (127 mm) Base OD x 4.625 in (117 mm) Top OD - KNRE-0910KNRE-0910RE-0910K&...

K&N Universal Clamp On Filter Fits 4 in (102 mm)14 in (356 mm) H x 6 in (152 mm) Base OD x 4.625 in (117 mm) Top OD - KNRE-0880KNRE-0880RE-0880...

K&N Universal Clamp On Filter Fits 4 in (102 mm)9 in (229 mm) H x 6 in (152 mm) Base OD x 4.625 in (117 mm) Top OD - KNRE-0870KNRE-0870RE-0870K...

K&N Universal Clamp On Filter Fits 2.5 in (64 mm)6 in (152 mm) H x 3.5 in (89 mm) OD - KNRD-0720KNRD-0720RD-0720K&n Injector Stack Air Filt...

K&N Universal Clamp On Filter Fits 2.5 in (64 mm)4 in (102 mm) H x 3.5 in (89 mm) OD - KNRD-0700KNRD-0700RD-0700K&n Injector Stack Air Filt...

K&N Universal Clamp On Filter Fits 1.688 in (43 mm)4 in (102 mm) H x 3.5 in (89 mm) Base OD x 2 in (51 mm) Top OD - KNR-1080KNR-1080R-1080K&...

K&N Universal Clamp On Filter Fits 2.25 in (57 mm)2 in (51 mm) H x 4.5 in (114 mm) OD - KNRC-1950KNRC-1950RC-1950K&n's Universal Air Filter...

K&N Universal Clamp On Filter Fits 2.125 in (54 mm)4 in (102 mm) H x 3.5 in (89 mm) Base OD x 2 in (51 mm) Top OD - KNRC-1920KNRC-1920RC-1920K&...

K&N Universal Clamp On Filter Fits 1.938 in (49 mm)3 in (76 mm) H x 3 in (76 mm) Base OD x 2 in (51 mm) Top OD - KNRC-1060KNRC-1060RC-1060K&...

K&N Replacement Air FilterFits 1997-2010 Nissan Patrol 3.0L 6 Cyl Diesel - KNE-9267KNE-9267E-9267K&N's replacement air filters are designed...

K&N Replacement Air Filter9 X 5" - KNE-3650KNE-3650E-3650K&N's replacement air filters are designed to increase horsepower and acceleration...

K&N Replacement Air Filter7 X 4.5 X 1.75" - KNE-3321KNE-3321E-3321K&N's replacement air filters are designed to increase horsepower and acc...

K&N Replacement Air FilterFits 1999-2009 Honda S2000 2.0L - KNE-2435KNE-2435E-2435K&N's replacement air filters are designed to increase ho...

K&N Replacement Air FilterFits 2005-2013 Toyota Hilux 2.7 F/I, 2.5, 3.0L Diesel - KNE-2296KNE-2296E-2296Part KNE-2296 Product Specifications Pr...

K&N Replacement Air Filter 14 x 3"Fits 1965-1985 Chevrolet, GMC, Buick, Pontiac, Oldsmobile -KNE-1650E-1650K&N washable, reusable High-Flow...

KNE-1570 E-1570 K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We mak...

K&N Replacement Air FilterFits 1973-1991 Ford F Series & Dodge - KNE-1290KNE-1290E-1290K&N's replacement air filters are designed to in...