Unequal Slip Joint Exhaust Manifold Header & UpPipe for Subaru Impreza WRX/STi GE/GH/GR/GV 2.0L/ 2.5L EJ20/ EJ25 H4 2008-2014

Description: 100% brand new, Never been tried or installed Made of High Quality T-304 Stainless Steel Outlet Size: 2.25" Primary Tube Size: 1.75" Number of O2 Sensor Locations: 2 (1 on header and 1 on up pipe) Head Flange Thickness: 7/16" Outlet Flange Thickness: 3/8" This bolts up to the cars existing exhaust. It can be used with performance parts as well. Manifold is made of 2 pieces and has a slip joint in the center. Made from true T-304 Stainless steel with CNC machine flanges with TIG and MIG welded construction Dyno gains of 15 HP and 20 Torque Has 1 o2 sensor location Professional installation is highly recommended Installation Instruction is NOT Included   Package including: One Exhaust manifold with gaskets and bolts Hardwares such as Gaskets and Bolts as Shown in the Picture Above   Fitment: Make, Model    Year(s)    Additional Info Subaru Impreza WRX    2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016    E