Killer B Motorsport 4-1 Holy Header 2-Bolt w/EGT Bung - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI) PDM_interior-trim-and-accessories CNC billet A2618 construction

CNC billet A2618 construction

Go Beyond OEM

Includes spanner wrench and damping adjustment tool

Short piston stroke

· Impedance: High Z

Killer B Motorsport 4-1 Holy Header 2-Bolt w/EGT Bung - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI) PDM_interior-trim-and-accessories CNC billet A2618 constructionThe 4 1 Holy Header has an EGT bung to improve the performance on the Subaru STI. Killer B Motorsport 4 1 Holy Header 2 Bolt w EGT Bung Specs: Cast Collector: The collector is made of thick walled cast 347 stainless. This design removes several welds which removes flow disruption for less turbulence. This also allows the collector to be designed as a true high velocity merge. Short Equal Length Primaries: Shorter length primaries make for an equal