K&N Universal Round Air Filters

 
 
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  • Price: $48.99 - $219.99
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  • Availability: Ships in 1 day

K&N Round Air Filter

MPN: E-1170
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 2.46 oz (73 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 8 in (203 mm)
    • Height: 6 in (152 mm)
    • Outside Diameter: 10 in (254 mm)
    • Top Material: None
    • Top Style: Open
  • $157.99
  • Free Shipping

K&N Round Air Filter

MPN: E-2410
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.62 oz (18 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 4.375 in (111 mm)
    • Height: 3 in (76 mm)
    • Outside Diameter: 5.875 in (149 mm)
    • Top Material: None
    • Top Style: Open
  • $59.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3009
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 1.063 in (27 mm)
    • Height: 1.063 in (27 mm)
    • Outside Diameter: 2 in (51 mm)
    • Top Material: None
    • Top Style: Open
  • $57.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3022R
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 14.25 in (362 mm)
    • Height: 3 in (76 mm)
    • Outside Diameter: 16 in (406 mm)
    • Top Material: None
    • Top Style: Open
  • $64.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3030R
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 12.25 in (311 mm)
    • Height: 3.75 in (95 mm)
    • Outside Diameter: 14 in (356 mm)
    • Top Material: None
    • Top Style: Open
  • $64.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3032R
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 12.25 in (311 mm)
    • Height: 2 in (51 mm)
    • Outside Diameter: 14 in (356 mm)
    • Top Material: None
    • Top Style: Open
  • $83.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3120
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.2 oz (6 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 2.875 in (73 mm)
    • Height: 2 in (51 mm)
    • Outside Diameter: 3.875 in (98 mm)
    • Top Material: None
    • Top Style: Open
  • $68.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3140
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.61 oz (18 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 3.75 in (95 mm)
    • Height: 3.563 in (90 mm)
    • Outside Diameter: 5 in (127 mm)
    • Top Material: None
    • Top Style: Open
  • $48.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3180
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.35 oz (10 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 4.5 in (114 mm)
    • Height: 1.75 in (44 mm)
    • Outside Diameter: 5.875 in (149 mm)
    • Top Material: None
    • Top Style: Open
  • $83.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3200
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.38 oz (11 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 4 in (102 mm)
    • Height: 2 in (51 mm)
    • Outside Diameter: 5.375 in (137 mm)
    • Top Material: None
    • Top Style: Open
  • $52.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3210
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.73 oz (22 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 4.5 in (114 mm)
    • Height: 3.5 in (89 mm)
    • Outside Diameter: 5.875 in (149 mm)
    • Top Material: None
    • Top Style: Open
  • $51.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3212
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.25 oz (7 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 4.875 in (124 mm)
    • Height: 1.813 in (46 mm)
    • Outside Diameter: 5.875 in (149 mm)
    • Top Material: None
    • Top Style: Open
  • $57.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3260
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.51 oz (15 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 5 in (127 mm)
    • Height: 2.5 in (64 mm)
    • Outside Diameter: 6.375 in (162 mm)
    • Top Material: None
    • Top Style: Open
  • $68.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3322
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.37 oz (11 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 5.25 in (133 mm)
    • Height: 2.5 in (64 mm)
    • Outside Diameter: 6.25 in (159 mm)
    • Top Material: None
    • Top Style: Open
  • $52.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3340
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.5 oz (15 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 5.25 in (133 mm)
    • Height: 3.25 in (83 mm)
    • Outside Diameter: 6.25 in (159 mm)
    • Top Material: None
    • Top Style: Open
  • $86.95
  • Free Shipping

K&N Round Air Filter

MPN: E-3344
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.59 oz (17 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 5.25 in (133 mm)
    • Height: 4 in (102 mm)
    • Outside Diameter: 6.25 in (159 mm)
    • Top Material: None
    • Top Style: Open
  • $68.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3346
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.93 oz (28 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 5.25 in (133 mm)
    • Height: 6 in (152 mm)
    • Outside Diameter: 6.25 in (159 mm)
    • Top Material: None
    • Top Style: Open
  • $68.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3380
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.86 oz (25 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 5.188 in (132 mm)
    • Height: 3 in (76 mm)
    • Outside Diameter: 7 in (178 mm)
    • Top Material: None
    • Top Style: Open
  • $68.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3390
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 1.08 oz (32 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 5.188 in (132 mm)
    • Height: 3.75 in (95 mm)
    • Outside Diameter: 7 in (178 mm)
    • Top Material: None
    • Top Style: Open
  • $54.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3402
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.46 oz (14 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 5.5 in (140 mm)
    • Height: 2 in (51 mm)
    • Outside Diameter: 7 in (178 mm)
    • Top Material: None
    • Top Style: Open
  • $68.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3450
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.65 oz (19 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 6.25 in (159 mm)
    • Height: 2.5 in (64 mm)
    • Outside Diameter: 7.75 in (197 mm)
    • Top Material: None
    • Top Style: Open
  • $68.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3506
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.47 oz (14 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 4.063 in (103 mm)
    • Height: 2.375 in (60 mm)
    • Outside Diameter: 5.313 in (135 mm)
    • Top Material: None
    • Top Style: Open
  • $68.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3530
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.6 oz (18 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 8 in (203 mm)
    • Height: 2.875 in (73 mm)
    • Outside Diameter: 9 in (229 mm)
    • Top Material: None
    • Top Style: Open
  • $68.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3551
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 0.79 oz (23 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 8 in (203 mm)
    • Height: 3.5 in (89 mm)
    • Outside Diameter: 9 in (229 mm)
    • Top Material: None
    • Top Style: Open
  • $68.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3640
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 1.26 oz (37 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 7.5 in (191 mm)
    • Height: 4 in (102 mm)
    • Outside Diameter: 9 in (229 mm)
    • Top Material: None
    • Top Style: Open
  • $83.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3650
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 1.58 oz (47 ml)
    • Flanges: None
    • Inner Wire: Yes
    • Inside Diameter: 7.5 in (191 mm)
    • Height: 5 in (127 mm)
    • Outside Diameter: 9 in (229 mm)
    • Top Material: None
    • Top Style: Open
  • $104.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3657
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 2.23 oz (66 ml)
    • Flanges: None
    • Inner Wire: Yes
    • Inside Diameter: 7.5 in (191 mm)
    • Height: 7 in (178 mm)
    • Outside Diameter: 9 in (229 mm)
    • Top Material: None
    • Top Style: Open
  • $69.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3679
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 1.46 oz (43 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 8 in (203 mm)
    • Height: 3.75 in (95 mm)
    • Outside Diameter: 10 in (254 mm)
    • Top Material: None
    • Top Style: Open
  • $149.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3680
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 2.26 oz (67 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 9.25 in (235 mm)
    • Height: 5 in (127 mm)
    • Outside Diameter: 11 in (279 mm)
    • Top Material: None
    • Top Style: Open
  • $102.95
  • Free Shipping

K&N Round Air Filter

MPN: E-3690
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 2.73 oz (81 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 9.25 in (235 mm)
    • Height: 6 in (152 mm)
    • Outside Diameter: 11 in (279 mm)
    • Top Material: None
    • Top Style: Open
  • $157.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3692
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 1.8 oz (53 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 9.25 in (235 mm)
    • Height: 4 in (102 mm)
    • Outside Diameter: 11 in (279 mm)
    • Top Material: None
    • Top Style: Open
  • $149.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3730
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 2.25 oz (67 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 12 in (305 mm)
    • Height: 4 in (102 mm)
    • Outside Diameter: 14 in (356 mm)
    • Top Material: None
    • Top Style: Open
  • $83.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3735
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 1.2 oz (35 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 12.688 in (322 mm)
    • Height: 2.5 in (64 mm)
    • Outside Diameter: 14 in (356 mm)
    • Top Material: None
    • Top Style: Open
  • $83.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3737
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 1.45 oz (43 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 12.688 in (322 mm)
    • Height: 3 in (76 mm)
    • Outside Diameter: 14 in (356 mm)
    • Top Material: None
    • Top Style: Open
  • $135.95
  • Free Shipping

K&N Round Air Filter

MPN: E-3743
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 1.75 oz (52 ml)
    • Flanges: None
    • Inner Wire: Yes
    • Inside Diameter: 12 in (305 mm)
    • Height: 3.063 in (78 mm)
    • Outside Diameter: 14 in (356 mm)
    • Top Material: None
    • Top Style: Open
  • $83.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3745
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 2.01 oz (59 ml)
    • Flanges: None
    • Inner Wire: Yes
    • Inside Diameter: 12 in (305 mm)
    • Height: 3.5 in (89 mm)
    • Outside Diameter: 14 in (356 mm)
    • Top Material: None
    • Top Style: Open
  • $149.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3750
K&N Round Air Filter

    Highlights:

    • Air Filter Outlet Shape: Not Flanged
    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 2.31 oz (68 ml)
    • Flanges: None
    • Inner Wire: Yes
    • Inside Diameter: 12 in (305 mm)
    • Height: 4 in (102 mm)
    • Outside Diameter: 14 in (356 mm)
    • Top Material: None
    • Top Style: Open
  • $83.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3760
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 2.9 oz (86 ml)
    • Flanges: None
    • Inner Wire: Yes
    • Inside Diameter: 12 in (305 mm)
    • Height: 5 in (127 mm)
    • Outside Diameter: 14 in (356 mm)
    • Top Material: None
    • Top Style: Open
  • $83.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3770
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 3.5 oz (103 ml)
    • Flanges: None
    • Inner Wire: Yes
    • Inside Diameter: 12 in (305 mm)
    • Height: 6 in (152 mm)
    • Outside Diameter: 14 in (356 mm)
    • Top Material: None
    • Top Style: Open
  • $157.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3804
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 2.21 oz (65 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 14.5 in (368 mm)
    • Height: 3.5 in (89 mm)
    • Outside Diameter: 16.25 in (413 mm)
    • Top Material: None
    • Top Style: Open
  • $157.99
  • Free Shipping

K&N Round Air Filter

MPN: E-3816
K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 5.95 oz (176 ml)
    • Flanges: None
    • Inner Wire: Yes
    • Inside Diameter: 14.5 in (368 mm)
    • Height: 6 in (152 mm)
    • Outside Diameter: 17 in (432 mm)
    • Top Material: None
    • Top Style: Open
  • $209.99
  • Free Shipping

K&N Round Air Filter

K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 10.05 oz (297 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 13 in (330 mm)
    • Height: 5 in (127 mm)
    • Outside Diameter: 16 in (406 mm)
    • Top Material: None
    • Top Style: Open
  • $219.99
  • Free Shipping

K&N Round Air Filter

K&N Round Air Filter

    Highlights:

    • Air Filter Shape: Round
    • Filter Material: Cotton Gauze
    • Filter Re-Oiling Amount: 8.3 oz (245 ml)
    • Flanges: None
    • Inner Wire: No
    • Inside Diameter: 11.5 in (292 mm)
    • Height: 5 in (127 mm)
    • Outside Diameter: 14 in (356 mm)
    • Top Material: None
    • Top Style: Open
  • $199.99
  • Free Shipping
 

Available in different sizes to fit any import or domestic vehicle, K7N Universal Round Air Filters are crafted from the very same materials that made K&N an iconic name in vehicle performance. Featuring a high-flow pleated cotton filtering media that offers double the airflow compared to a stock air filter, K&N filters are engineered to boost horsepower and torque while offering excellent filtration. All K&N air filters are virtually maintenance-free and only requires cleaning at least once every 50,000 miles. Also, K&N round air filters are washable and reusable and are meant to last the life of your vehicle.

Features:

  • Up to double the amount of airflow to unleash your engine’s true potential
  • Superior filtration with double the airflow than a stock OEM air filter
  • Guaranteed increase in horsepower and torque
  • Low maintenance
  • Endlessly washable and reusable
  • Backed by K&N’s 10-year/million mile warranty