For Subaru Impreza WRX/STi Full Aluminum 2-Row Racing Radiator - GD GG EJ20 EJ25 Made of High Quality Full T-6061 Aluminum Construction Stronger & Higher Capacity for Coolant than Stock Units / Light Weight Direct Bolt-On OEM Fitment or Replacement High Performance 2-Row Racing Design / Improves Cooling by 35 - 45% Temp. Overall Dimension: 28" x 17.25" x 2.25" / Core Dimension: 27.5" x 13.5" x 2" / Inlet: 1.5" / Outlet: 1.5" Application: Please Check Part Finder On Top of The Page (Professional Installer is Highly Recommended No Instruction Included)