CSF Intercooler set - Audi C8 RS6 M5 (F90) The ducts channels ambient air

The ducts channels ambient air from the side vents to the filter housing

laser cut brackets and the carbon pod itself

Since this duct replaces the main intake duct inside the engine bay against the slam panel – this area now remains open as a source of cooling for the engine itself

1999 – 2003

CSF Intercooler set - Audi C8 RS6 M5 (F90) The ducts channels ambient airCSFs strategic partnership with PWR brings F1 cooling design and technology to the high performance aftermarket. These intercoolers help to keep charge temperatures consistently lower than the factory intercooler. This is because your factory intercooler was designed for standard power levels and expected type of use, as soon as you go outside of the factory power levels and expected type of use, your factory intercooler will begin to struggle. As