* This is a direct replacement of the stock FA20 Series exhaust manifold, and it has been designed to accommodate those looking to make more horsepower and torque, this header makes for an excellent upgrade.
* This header has been fabricated from SUS 304 stainless steel and features Invidia's exclusive TIG welds with 3 layer tubing. There are stainless casted flanges to provide precision fitment upon installation as well as durability Uppipe (CAT) gasket and bolts are included . ( header flange gaskets need to be purchased separately , but mostly the original ones can be utilized )
* Note that some cars might require Subaru Oil Pan 11109AA151 for proper fitment. ( pls check before purchasing with pictures provided on our website )
