K&N Performance Air Intake System Ford Focus 2002-2004 2.0L 4-Cyl | 57-2547
K&N High Performance Air Filter 33-2401
Ford Focus RS Drop In Replacement High-Flow Air Filter by K&N
K&N K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: 2010-2019 Toyota/Lexus/Mitsubihi L3/L4 (Auris, RAV4 Hybrid, Prius, NX300h, CT300h, Eclipse Cross), 33-2435 in the Automotive Hardware department at Lowes.com
K&N Drop-In Filter R50 MINI
Amazon.com: K&N Engine Air Filter: Reusable, Clean Every 75,000 Miles, Washable, Replacement Car Air Filter: Compatible with 2007-2019 Ford/Lincoln/Volvo (C-Max Escape, Grand, Kuga, Focus, Tourneo, MKC), E-2993 : Automotive
K&N Drop-In High-Flow Air Filter — Panda Motorworks
Installing a K&N High Flow Air Filter on my 2016 Ford Focus ST - YouTube
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower: Compatible with 2.5L, L5 2005-2011 FORD ( Focus XR5, Focus II), 57I-2503 : Automotive
K&N 57S Air Filter Induction/Intake/Airbox Kit For Ford Focus RS Mk3 - 57S-4000 | eBay
K&N E-2993 K&N Washable Lifetime Performance Air Filters | Summit Racing
K&N 03-04 Ford Focus L4-2.3L Performance Intake Kit – High Intake Performance
Ford Focus Air Filter
K&N Replacement Air Filter FORD FOCUS C-MAX 1.6 & 1.8 OE SIZE 281M X 1 – Evolved Tuning
K&N Drop-In Air Filter, 2013-18 Focus ST/16-18 Focus RS, Air Intake: Store Name
K&N Ford Focus ST Typhoon Performance Intake — Panda Motorworks
Ford Focus RS Drop In Replacement High-Flow Air Filter by K&N
K&N Replacement Air Filter FORD FOCUS 2.0L NON-PZEV 2008 – ESP Truck Accessories
Definitely recommend the K&N filter for "sound reasons" : r/FordFocus
2007 Ford Focus 2.0L L4 Gas Air Intake
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 6HP: Compatible with 2.0L, L4, 2002-2004 FORD (Focus ST170, Focus SVT), 69-3511TR : Automotive
K&N Replacement Air Filter - Round Tapered - Universal 5.75in Base OD x 5.938in | eBay
![K&N Cold Air Intake Ford Focus 2.0L L4 (2012-2018) [Typhoon Kits] 69-3 – Redline360](http://shop.redline360.com/cdn/shop/products/69-3517TS_Eng_1200x1200.jpg?v=1661949237 "K&N Cold Air Intake Ford Focus 2.0L L4 (2012-2018) [Typhoon Kits] 69-3 – Redline360")
K&N Cold Air Intake Ford Focus 2.0L L4 (2012-2018) [Typhoon Kits] 69-3 – Redline360
