Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 6HP: Compatible with 2.4/2.8L, V6, 1995-2001 AUDI (A4, A6, A6 Quattro, A4 Quattro), 57-0515 : Automotive
K&N Fits Audi A4 1.8L Drop In Air Filter | eBay
K&N Air Filter - Yes or No? - AudiWorld Forums
Amazon.com: K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2015-2018 AUDI (A4, A5, A5 Sportback), E-0647 : Automotive
Amazon.com: K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2010-2015 AUDI (A4, A5, RS4, RS5), 33-3031 : Automotive
Air Filter, Performance (K&N) for B8 A4-A5-S4-S5 or Q5-SQ5 w/ 3.0T, 3.2L, and 4.2L
K&N 15-18 Audi A4 L4-1.4L 18-20 A5/RS5 2021 Q5 F/I Drop In Replacement – Hobby Shop Garage
For 2009-2013 Audi A4 2.0L K&N Performance Air Intake System +13HP! 69-9505T | eBay
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower: Compatible with 1.8L, L4, 1995-2001 AUDI/VOLKSWAGEN (A6, A4, A4 Quattro, Passat), 57-0282 : Automotive
K&N Replacement Air Filter Audi A4 2.0T 17-20 A4 Quattro 2.0T 17-22 S4 S5 18-22 RS5 18-22
K&N Drop-In Panel Filter, Audi B6, B7 1.8T, 2.0T, V6
K&N 69-9508T Performance Air Intake System
Audi K&N Performance Air Filter (A4 A5 Q5 allroad B8 2.0T) 8R0133843K by KN Engineering | Europa Parts
K&N Typhoon Air Intake for 09-10 Audi A4 2.0L | eBay
Audi Air Filter (K&N) for B5 A4/S4, C5 A6/Allroad
Amazon.com: K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2015-2018 AUDI (A4, A4 Quattro, A5, A5 Quattro, A5 Sportback, Q5 II), E-0648 : Automotive
K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: 2015-2018 AUDI (A4, A4 Quattro, A5, A5 Quattro, A5 Sportback, Q5 II), E-0648" - Walmart.com
K&N E-0648 Replacement Air Filter
Amazon.com: K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2007-2017 Audi V6/V8 (Q5, S5, SQ5, A5, A5 Quattro, S4, A4 Quattro) E-1987 : Automotive
K&N Air Filter Audi A4 1.6L/1.8L/1.9L/2.0L L4 / 2.4L/2.5L/2.7L/3.0L V6 – Redline360
K&N Air Filter | Audi B8 A4 | A5 | Q5 2.0T | 33-2945 – UroTuning
K&N 57-0284 - Audi A4/A6 11.9 TDI 90BHP Performance Intake Kit - CSPRacing
K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: 1994-2009 AUDI/VOLKSWAGEN/SKODA (A4, A6, RS4, S4, S6, Allroad I, Allroad Quattro, Passat, Superb), 33-2125 - Walmart.com
