Collection: Air Filters

K&N Universal Clamp-On Air Filter

K&N Universal Clamp-On Air Filter 2-1/16in FLG / 3-1/2 OD / 4in H

K&N Custom Round Filter 5-1/8in FLG / 11in Dia / 4-3/4in H w/VENT

K&N Universal 5in Flange x 8-1/2in Base x 5in Height High flow Air Filter

K&N Universal Clamp-On Air Filter 3.5in Flg ID x 8.5x5.25in B OD x 6.25x4in T OD x 5.5in H

K&N Filter Universal Rubber Round Straight Filter 20 Deg Angled 2-7/16in Flange 3-3/4in OD 5in H

K&N Drycharger Round Tapered Air Filter Wrap 6.5in Base ID/4.5in Top ID/7in H - Black

K&N Dominator Drag Race Assy 9inOD x 5inH

K&N Marine Engine Flame Arrestor 5-1/8in Flange / 8in ID x 9in OD / 2.75in Height

Ford Focus ST Stage 1 Power Package w/V3

Vibrant The Classic Performance Air Filter (6.0in O.D. x 5in Tall x 3.25in inlet I.D.)

K&N 91-00 Rover Mini L4-1.3L Replacement Drop In Air Filter

PERRIN 13-20 Subaru BRZ / Scion FR-S / Toyota 86 Drop-In Panel Filter - Black

K&N Drycharger Air Filter Wrap Black RX-4730

K&N Universal Air Filter Chrome Round Tapered Red -4in Flange ID x 1.125in Flange Length x 5.5in H

K&N Universal Air Filter Chrome Round Tapered Red - 4in ID x 1.125in L x 5.5in H (Multi Lingual)

K&N Drycharger Air Filter Wrap RU-2815 Black

K&N Universal Clamp-On Air Filter 2.25in Flange ID 3.5in OD 2in Height

K&N Filter Universal Rubber Filter 2 7/8 inch Flange 4 inch OD 6 inch Height

K&N Universal Rubber Filter 6.25in x 4in Oval FLG / 7.375in x 5.5in Base / 6.25in x 4in Top / 5in H

K&N Drycharger Air Filter Wrap Black

K&N Universal Chrome Filter 1 3/8 inch FLG / 2 1/2 inch Base / 2 inch Top / 2 1/4 inch Height

K&N Marine Engine Flame Arrestor 8.625in Base O/S Length / 4.5in Base O/S Width / 3.25in Height

K&N 23-24 Ford Ranger/Everest 2.0L L4 Diesel Drop-In Air Filter

aFe MagnumFLOW Air Filters OER P5R A/F P5R Nissan Cars 90-11 V6 Trucks 90-10

PERRIN 08-21 Subaru WRX / 08-18 STI / 09-18 Forester / 13-17 Crosstrek Drop-In Filter Foam - Black

K&N Universal Rubber Filter 3inch FLG / 6inch OD-B / 4-5/8inch OD-T / 9inch L

Vibrant 8.75in Inlet I.D. x 8.50in Height Bellmouth Velocity Stack Classic Performance Air Filter

aFe MagnumFLOW P5R Air Filter 13-14 Ford Focus L4-2.0L / 2.0L (t)

K&N Filter Universal Rubber Filter 2.75in Flange 4.75in Base 4in Top 8in Height

K&N Universal Rubber Filter 0.75in FLG 4.0625in OD 2.1875in Height

K&N Custom Air Filter - Oval - 11.5in O/S L x 8.125in O/S W x 2in H

K&N Universal Custom Air Filter - Round 1.625in Flange / 1.625in ID / 2.75in Overall Height

K&N Custom Air Filter Cotton Gauze 14inOD x 12 1/4inID x 2inH

K&N X-Stream Top Filter Red 11in / 5.125in Neck Flange / 3.5in Height

K&N X-Stream Top Assembly 14in OD 5.125in Neck Flange 3.063in H