K&N 97-06 Audi A4 1.8L L4 Spin On Oil Filter

K&N Oil Filter for VW/Audi/Porsche Various Applications

K&N Oil Filter for Ford/Audi/VW/Toyota/Mercury/Mazda/Nissan/Dodge/Lincoln/Volvo 3.656in OD

K&N Oil Filter for Nissan/Ford/Toyota/Audi/Chevy/Subaru/VW/Porsche/BMW 3in OD x 5.063in H

K&N Performance Oil Filter for 2019 Audi A3 2.0L

K&N 2018 Audi RS3 2.5L Cartridge Oil Filter

K&N Replacement Round Straight Universal Air Filter for 2010-2015 Audi A8 2.0L/2.5L/3.0L/4.0L/4.2L

K&N 11-13 Audi A6 0L L4 Replacement Air Filter

K&N Replacement Air Filter 10-13 Audi A8 Quattro 4.2L V8 (2 required)

K&N Replacement Air Filter AUDI A8/S8 W12, 2004-2010

K&N 08 Audi A5 / S5 V6-3.2L / V8-4.2L Drop In Air Filter

K&N Replacement Air Filter - Round 11-13 Audi A6/A6 Quattro / 12-13 A7/A7 Quattro

K&N Replacement Air Filter AUDI A8 4.2L-V8; 2004-2005

K&N Replacement Round Air Filter for 13-14 Audi RS6/RS7 4.0L V8

K&N 14-16 Audi A4 L4-2.0L DSL Drop In Air Filter

K&N 16-18 Audi A5 L4-2.0L Diesel Engine Replacement Air Filter

K&N 15-18 Audi A4 L4-2.0 F/I Replacement Drop In Air Filter

K&N 15-18 Audi A4 L4-1.4L 18-20 A5/RS5 2021 Q5 F/I Drop In Replacement Air Filter

K&N 17-19 Audi A8 V6 3.0L FI Replacement Air Filter

K&N 19-20 Audi A6 L4-2.0L DSL Replacement Drop In Air Filter

K&N 2014 Audi A4 2.0L Turbo Typhoon Air Intake

K&N 09-10 Audi A4 2.0L Typhoon Air Intake

K&N 2022 Audi S3 2.0L L4 Gas Performance Air Intake System