Air Filters

s while maximizing airflow. Whether you're upgrading your factory filter or building a full intake system, we've got you covered.

Choose from cotton, synthetic, or foam filters available in cone, panel, and universal fitments for both street and race applications.

🔧 Improved throttle response and engine protection
⚙️ Compatible with LS, HEMI, JDM, and more
🏁 Ideal for naturally aspirated, turbo, and supercharged builds

Find the right parts for your vehicle easily by selecting the make, model, and year.
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2780 products

K&N Universal Air Filter Round Tapered 7.375in Base OD / 6.625in Top OD / 7.875in Height
K&N Universal Air Filter Round Tapered 7.375in Base OD / 6.625in Top OD / 7.875in Height
K&N Engineering

K&N Universal Air Filter Round Tapered 7.375in Base OD / 6.625in Top OD / 7.875in Height

343.99 SAR 343.99 SAR
K&N Universal Filter Round Tapered 4in FlangeID / 6.625in Base OD / 5.25in Top OD / 9.5in Height
K&N Universal Filter Round Tapered 4in FlangeID / 6.625in Base OD / 5.25in Top OD / 9.5in Height
K&N Engineering

K&N Universal Filter Round Tapered 4in FlangeID / 6.625in Base OD / 5.25in Top OD / 9.5in Height

286.99 SAR 286.99 SAR
K&N Universal Chrome Filter 3 1/2 inch FLG / 5 1/2 inch Bottom / 4 1/2 inch Top / 8 inch Height
K&N Universal Chrome Filter 3 1/2 inch FLG / 5 1/2 inch Bottom / 4 1/2 inch Top / 8 inch Height
K&N Engineering

K&N Universal Chrome Filter 3 1/2 inch FLG / 5 1/2 inch Bottom / 4 1/2 inch Top / 8 inch Height

380.99 SAR 380.99 SAR
K&N Universal Chrome Filter 4 inch FLG / 5 3/8 inch Bottom / 4 1/2 inch Top / 8 inch Height
K&N Universal Chrome Filter 4 inch FLG / 5 3/8 inch Bottom / 4 1/2 inch Top / 8 inch Height
K&N Engineering

K&N Universal Chrome Filter 4 inch FLG / 5 3/8 inch Bottom / 4 1/2 inch Top / 8 inch Height

380.99 SAR 380.99 SAR
K&N Universal Chrome Filter 2.875in Flange ID / 5.188 Base OD / 3.5in Top OD / 4.438in Height
K&N Universal Chrome Filter 2.875in Flange ID / 5.188 Base OD / 3.5in Top OD / 4.438in Height
K&N Engineering

K&N Universal Chrome Filter 2.875in Flange ID / 5.188 Base OD / 3.5in Top OD / 4.438in Height

357.99 SAR 357.99 SAR
K&N Universal Chrome Filter 6in Flange ID x 7.5in Base OD x 5in Top OD x 6in H
K&N Universal Chrome Filter 6in Flange ID x 7.5in Base OD x 5in Top OD x 6in H
K&N Engineering

K&N Universal Chrome Filter 6in Flange ID x 7.5in Base OD x 5in Top OD x 6in H

380.99 SAR 380.99 SAR
K&N Universal Chrome Filter 3 1/2 inch ID FLG / 6 inch Bottom / 4 1/2 inch CR / 9 inch Length
K&N Universal Chrome Filter 3 1/2 inch ID FLG / 6 inch Bottom / 4 1/2 inch CR / 9 inch Length
K&N Engineering

K&N Universal Chrome Filter 3 1/2 inch ID FLG / 6 inch Bottom / 4 1/2 inch CR / 9 inch Length

343.99 SAR 343.99 SAR
K&N Universal Clamp-On Air Filter 2-7/16in Flange 4-1/2x3-3/4in Base 3x2in Top 6in Height
K&N Universal Clamp-On Air Filter 2-7/16in Flange 4-1/2x3-3/4in Base 3x2in Top 6in Height
K&N Engineering

K&N Universal Clamp-On Air Filter 2-7/16in Flange 4-1/2x3-3/4in Base 3x2in Top 6in Height

249.99 SAR 249.99 SAR
K&N 1-15/16in Flg 3in B 2in T 3in H
K&N 1-15/16in Flg 3in B 2in T 3in H
K&N Engineering

K&N 1-15/16in Flg 3in B 2in T 3in H

357.99 SAR 357.99 SAR
K&N 4in flg 6-3/4in b 5-1/4in t 9-1/2in h
K&N 4in flg 6-3/4in b 5-1/4in t 9-1/2in h
K&N Engineering

K&N 4in flg 6-3/4in b 5-1/4in t 9-1/2in h

343.99 SAR 343.99 SAR
K&N Universal Clamp-On Air Filter 2-1/8in Flange 4in x 3in Base 3in x 2in Top 4in Length
K&N Universal Clamp-On Air Filter 2-1/8in Flange 4in x 3in Base 3in x 2in Top 4in Length
K&N Engineering

K&N Universal Clamp-On Air Filter 2-1/8in Flange 4in x 3in Base 3in x 2in Top 4in Length

249.99 SAR 249.99 SAR
K&N Universal Clamp-On Air Filter / 2-1/8in O/S
K&N Universal Clamp-On Air Filter / 2-1/8in O/S
K&N Engineering

K&N Universal Clamp-On Air Filter / 2-1/8in O/S

286.99 SAR 286.99 SAR