---Twin core aluminium core will achieve up to 30% more cooling capability than the standard radiator. ---Ideal for track use but will be a great addition to a road car ---More water volume within a channel means greater cooling efficiency. ---Polished alloy and TIG welded for strength and long lasting durability. ---Designed to be a direct replacement for ease of fitment Fitment ---Audi S3 1.8 210/225bhp 1999-2003 models.