Just the standard paper filters in my SL55 intake converted C32! Although I was quite surprised how dirty they had got after only about 5k Miles so changed them a couple of weeks ago! Cheep enough from ECP!
Just the standard paper filters in my SL55 intake converted C32! Although I was quite surprised how dirty they had got after only about 5k Miles so changed them a couple of weeks ago! Cheep enough from ECP!