STRAUTOS Engine Air Filter Compatible with Ford Focus ST RS 2009-2018 Cold Air Intake,Washable And Reusable,Fit C-Max MKC Escape Grand Kuga Transit Connect Tourneo Air Filter Accessories

Engineered Power: YS Racing cold air filter for ford focus st , can increase the sound of the Turbo and improve throttle response. Washable & Reusable： Dry air filter, no need to spray oil,does not affect the air flow sensor.Flows more air without sacrificing filtration , can continue to use 10,000 to 15,000 miles, flush with water, natural dry can continue to use, life span of more than 200,000 miles. Unique feature：YS Racing air filter provides two flow modes, the filter end cover is opened, turbo sounds come through a lot clearer, delivers more air for faster throttle response, and you can experience a strong sense of push-back when driving. When the end cap is closed, the turbo sounds become smaller and the engine will run smoothly. YS provides a hose clamp to secure. Video experiment: This ford focus st cold air filter can provide a higher flow rate to the engine at the same air flow rate. Suitable for:2009-2018 Ford Focus/2012-2018 Ford Focus ST/2015-2018 Ford Focus RS/2013-2019 Ford Escape / 2008-2013 FORD Kuga/2014-2016 Transit Connect / 2015-2019 MKC /2010-2020 Ford C-Max/ 2010-2015 MAZDA 5/2012-2015 VOLVO V40 II/ 2010-2014 VOLVO V70 III/ 2007-2013 VOLVO C30/2009-2013 MAZDA 3/ 2007-2012 VOLVO S40 II/2007-2012 VOLVO V50/2008-2009 VOLVO C70 II