Focus RS Mk2 Cosworth Grp A Cone filter with Black alloy trumpet Color:Black In addition to this

In addition to this

This Resonated (Quieter) Milltek system gives the perfect finishing touch to the rear bumper of  any Fiesta EcoBoost and the noise is just on the quieter side of the just right and should be considered if noise is a major concern

This causes foaming which effectively reduces the oils viscosity and so reduces the units damping effect

Then we looked @ flow

greater gains will be seen

Focus RS Mk2 Cosworth Grp A Cone filter with Black alloy trumpet Color:Black In addition to thisProven on Big BHP Cosworth's for over 15 years and now available for the Focus RS Mk2 The huge Cosworth cone filter is available with Pro Hose joiner, AS performance cotton filter & comes with stainless jubilee clips from Alloy trumpet to induction pipe. Choice colour from options The Ultimate induction noise sound & wastegate chatter Large cotton designed filter with specifically machined alloy trumpets for Focus RS Mk2 fitment, No restrictions from