Mishimoto Honda Civic SI Performance Aluminum Radiator 2006-2011 - MMRAD-CIV-06SIPRODUCT FEATURES Direct fit for the 20062011 Honda Civic Si Full aluminum construction with durable TIG welded end tanks Features a two row, 1. 57" thick brazed aluminum core which provides efficient fluid temperature regulation on the street and track Polished end tanks provide a stylish upgrade to your engine bay Includes Magnetic Drain Plug to capture any metallic debris fragments in your cooling system Mishimoto Lifetime Warranty DESCRIPTION A