Ramair Performance Foam Replacement Air Filter for Ford Focus ST RS Engine Oil has a sharply finished spoke

has a sharply finished spoke cross section for a three-dimensional appearance

It cuts the resistance and turbulent flow of restrictive stock airboxes

the cooling system on a car is not enough to keep the engine at optimal temperatures

The outlet pipe is widened compared to the stock item

This Performance intake kit with turbo elbow is designed to fit the 2

Ramair Performance Foam Replacement Air Filter for Ford Focus ST RS Engine Oil has a sharply finished spokeThis is a replacement panel filter for the Ford Focus, Volvo and Mazda. For a full list of fitments see compatibility chart. Features High Performance, MAF Safe, twin layer, fully reticulated foam Fits in the OEM Airbox and replaces inefficient paper filter Easy to clean using our filter maintenance kit CK 003 Stainless steel cage support structure Guaranteed surface area using high quality custom blended polymer What Does It Do? The Ramair Panel