K&N 33-5029 panel filter V-Maxx It also adds a very

It also adds a very nice visual impact to the front view of your Focus RS with stealth satin black finish

and using the high tension net for the bearing surface

MSRN113 - Downpipe and Hi-Flow Sports Catalyst - £375

Airtec huge front mount intercooler for MK3 Focus RS

K&N 33-5029 panel filter V-Maxx It also adds a veryK&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace