Cobb High Flow Filter Ford Focus ST 2013-2018 / Focus RS 2016-2018 | 791101 Wheels Direct replacement for 02-07 WRX

Direct replacement for 02-07 WRX & 04-20 STi factory bypass valve

Improved throttle response

Enjoy 6 stages of dimming on both day and night operation modes

Eagle's EJ257 STI rods include ARP 3/8in 2000 rod bolts for extensive ability to handle power and boost

BC Sportsman H-Beam Rods (Supports up to 200hp/cylinder)

Cobb High Flow Filter Ford Focus ST 2013-2018 / Focus RS 2016-2018 | 791101 Wheels Direct replacement for 02-07 WRXFitment Information: 2013 2018 Ford Focus ST 2016 2018 Ford Focus RS Features: Washable Reusable Cotton Woven Media Precision Molded for Direct Drop In To The Factory Air Box Increased Air Flow While Maintaining Filtering Efficiency Pre Oiled, Dual Cone Design Compatible with COBB Accessport OTS Maps Easy Installation COBB High Flow Filters are designed to permit very high flow rates, minimize restriction, maximize filtration and provide a long life