IAG Performance Unequal Length (UEL) 3-Bolt Header & Uppipe fits Subaru 02-14 WRX, 04-21 STI, 05-09 Legacy GT, 04-08…

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The IAG Efficiency Unequal Size Headers are the proper approach so as to add extra efficiency to your WRX STI and nonetheless maintain the enduring “Boxer Rumble.” The headers are absolutely constructed of 304 stainless-steel, together with solid stainless flanges! The unequal size headers function a 45mm pipe diameter for max stream and efficiency.
Because of the free-flowing design of this header, you will notice features throughout your complete RPM vary, as exhaust stream is vastly improved. The header additionally contains a slip-joint growth part to accommodate for flex brought on by warmth biking. Every IAG header is absolutely TIG welded for max energy.
Every header bundle contains the IAG 60mm uppipe that makes use of a 3-bolt solid flange and multi-layer gasket between the manifold and uppipe, offering a steady connection with out exhaust leaks.
The IAG Header & Uppipe provides all the {hardware} and prime quality, multi-layer gaskets wanted for set up together with specialty copper exhaust nuts, that are confirmed to keep up their torque even within the excessive situations of warmth biking current on the exhaust flange.
Fitment Notes: 2002-05 WRX Requires 2.5L STI Oil Pan, 2006-07 WRX Requires STI Oil Cooler and STI Oil Pan, 2002-07 WRX / STI Chassis requires slight modification to the passenger aspect U-Body.