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
2012 Ford Focus K&N Filter Install - YouTube
Definitely recommend the K&N filter for "sound reasons" : r/FordFocus
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
&N Replacement Air Filter: Ford Focus ST
Amazon.com: K&N Engine Air Filter: Reusable, Clean Every 75,000 Miles, Washable, Premium, Replacement Car Air Filter: Compatible with 2018-2020 FORD (Escape, Focus IV), 33-3131 : Automotive
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 57i performance injection air filter kit: Ford Focus Mk1 1.8 TDCi 99/113bhp 2001-2005
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 Universal Performance Replacement Air Filter - Auto Specialists
-69415-p.jpg?v=19A6B3AB-B214-4047-93B7-2ADB2729330B "K&N Air Filter Direct Replacement Ford Focus ST 250 | Graham Goode Racing")
K&N Air Filter Direct Replacement Ford Focus ST 250 | Graham Goode Racing
Installing a K&N High Flow Air Filter on my 2016 Ford Focus ST - YouTube
K&N Drop-In Air Filter, 2013-18 Focus ST/16-18 Focus RS, Air Intake: Store Name
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
Ford Focus Mk3 K&N 57I Cone Air Filter - Focus Mk3 1.0 EcoBoost - Filters - Panel - Pumaspeed Milltek Ford Performance Tuning Milltek Sport Exhaust Ford Fiesta Focus ST RS Parts Specialist
K&N Performance Air Intake System FIPK; FORD FOCUS SVT, L4-2.0L 2002-04 | Team HARD Racing
K&N 12 Ford Focus 2.0L Typhoon Performance Intake – JP3 Motorsports
K&N Ford Focus ST Typhoon Performance Intake — Panda Motorworks
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 2.5L (05-09) Performance Replacement - 33 – Redline360
K&N Typhoon Performance Intake For Ford Focus ST - SPEED PERF6RMANC3
2013 Ford Focus2.0L L4 Gas Air Filter
K&N air filter - Ford Focus Club - Ford Owners Club - Ford Forums
33-2877 K&N Air Filter - Fits 2003-2007 Ford Focus
K&N 12 Ford Focus 2.0L Typhoon Performance Intake – JP3 Motorsports
K&N Filters E-9289 High Flow Air Filter Fits 13-17 Ford Focus Transit Connect | eBay
