CSF 96-04 Porsche Boxster S (986) / 98-05 Porsche 911 (996) Auxiliary Center RadiatorCSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your 996 911 986 Boxster running at its best, a CSF High Performance All Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator