Focus RS MK3 Intercooler R-Sport 57S series airboxes replace the

57S series airboxes replace the factory air filter housing with a fully enclosed injection modified air box containing a reusable K&N air filter

Temperature Resistance: 675°F Continuous

Standard Intercooler Core Details:

PFR19-1105

All the above fans measure 2 inches height from center & measure approx 1 inch on the outer edge

Focus RS MK3 Intercooler R-Sport 57S series airboxes replace theEven though we were one of the lucky few to get our hands on one of the first RS MK3's in the country, we decided to take our time with our new line of products and make them right. When fitting upgraded parts to a car hot off the production line, you'll be after the very best in quality, which is why (as always) we've designed our parts to fit to the same precision as the OEM part. No chopping or grinding to your brand new car, a straight bolt on