The AMR un-equal length headers for Subarus are built from 100% 304 USA stainless steel. The massive 2in pipes on these headers are mandrel bent to ensure the smoothest flow possible. Equipped with 1/2in thick flanges to prevent warping and a ceramic base 1500 degree coating these headers are made to handle the heat from your boxer engine. With increases of up to 30WHP and 30 ft /lbs of torque when tuned over the stock headers, the AMR un-equal length headers are guaranteed to provide you with the performance you need. The AMR un-equal length headers are also hand TIG welded to provide maximum durability. AMR's STI has been putting this header through to the test for thousands of miles of abuse with no issues, just pure performance!
Note:All gaskets and studs necessary for install supplied
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