BMC 2012+ Citroen C4 Aircross 1.6i Replacement Panel Air Filter - FB539/20 Suspension>Coilovers Dyno-Proven Gains up to +17

Dyno-Proven Gains up to +17 HP and +18 Lbs

This limited edition cap cover available in both sleek Black Carbon Fiber and vibrant Red Fiber represents the pinnacle of sophisticated design and cutting-edge engineering

This 7" tall 360-degree radial flow air filter features a 5" flange and our pre-oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance

Welds into custom plate assemblies

4-to-1 Mitered Merge Collectors Decrease Turbulence and Increase Exhaust Velocity

BMC 2012+ Citroen C4 Aircross 1.6i Replacement Panel Air Filter - FB539/20 Suspension>Coilovers Dyno-Proven Gains up to +17BMC 2012+ Citroen C4 Aircross 1. 6i Replacement Panel Air Filter