Rev9power (ICK-055) Audi A4 1.8T 02-05 Intercooler Kit (Ver. 2) Bolt on Type Big Core 02-05 Audi A4 1.8T front mount intercooler kit (VER. 2) This will fit: - 2002 2003 2004 2005 Audi A4 1.8T 3 x aluminum piping ( pipe size 2") 5 x silicone 10 x t-bolt clamps 2 x intercooler bracket 1 x Intercooler core INTERCOOLER SPECS: max horsepower capacity: 350-400HP core length: 18" core height: 9" core thickness: 2" inlet / outlet size: 2" end to end length: 24" No instructions included Professional installation is highly recommended