K&N 57i performance injection air filter kit: Ford Focus Mk1 1.8 TDCi 99/113bhp 2001-2005
&N Replacement Air Filter: Ford Focus ST
K&N 12 Ford Focus 2.0L Typhoon Performance Intake – JP3 Motorsports
K&N 69-3518TS Performance Air Intake System
Installing a K&N High Flow Air Filter on my 2016 Ford Focus ST - YouTube
K&N Typhoon Performance Intake For Ford Focus ST - SPEED PERF6RMANC3
K&N engine air filter, washable and reusable: 2007-2019 Ford/Lincoln/Volvo L4 1.5/1.6/2.0/2.3 L (C-Max, Escape, Grand C-Max, Kuga, Transit Connect, Focus, Tourneo, MKC, V40, V70, C30, S40) E-2993 - Walmart.com
K&N Air Filter Ford Focus II 1.4L/1.6L/1.8L/2.0L L4 (03-07) Performanc – Redline360
K&N X-Stream Filter Focus RS Mk2 - K&N - Air Filters / Intake Kits / Induction - Ford Focus RS MK1 / MK2 - Home - JW Racing
K&N Select Engine Air Filter: High Performance, Premium, Washable, Replacement Filter, SE-2993 Fits select: 2012-2018 FORD FOCUS, 2013-2019 FORD ESCAPE - Walmart.com
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
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 up to 10HP: Compatible with 2.0L, L4, 2012-2018 Ford Focus, 69-3517TS : Automotive
Ford Focus RS Drop In Replacement High-Flow Air Filter by K&N
K&N 12 Ford Focus 2.0L Typhoon Performance Intake – JP3 Motorsports
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 16HP: Compatible with 1.6L, L4, 2007-2018 FORD/VOLVO/MAZDA (C-Max, Focus, Grand, Transit)57S-4000 : Automotive
2007 Ford Focus2.0L L4 Gas Air Filter
K&N Typhoon Cold Air Intake Ford Focus 2012-2018 (Non Turbo) – Import Image Racing
K&N Drop-In Air Filter, 2013-18 Focus ST/16-18 Focus RS, Air Intake: Store Name
Ford Focus RS Drop In Replacement High-Flow Air Filter by K&N
K&N air filter - Ford Focus Club - Ford Owners Club - Ford Forums
2012 Ford Focus K&N Filter Install - YouTube
