Description

throttle response

The weak part of the factory diverter has always been the plastic valve mechanism – this is the part we replace

550" (14mm) Valve Lift

Compared to the lower cost Stage1 the JB4 system adds OBDII CANbus for increased performance mapping

Cobb Air Filter - Ford Focus ST 2013-2018 / Focus RS 2016-2018 20XT Premium 4dr SUV throttle responseCOBB High Flow Filters are designed to permit very high flow rates, minimize restriction, maximize filtration and provide a long life filter. It uses proprietary Woven cotton and metal mesh with a precision molded rubber base. WHY? Ford Focus ST Intake filter dual cone 791100 FEATURES Ford High Flow Filter Focus ST 2013 2018, Focus RS 2016 2018 Washable Reusable Cotton Woven Media Precision Molded for Direct Drop In To The Factory Air Box Increased

Exchange/Return Notes