Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Wire In ECU's With a power range of

With a power range of 500 WHP and up

2007 Subaru Legacy GT spec

Manufactured and Welded In The USA – For consistency and top quality control

Large variety of Analog input functions

Link G4X and G4+ Fury (Loom A also required)

Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Wire In ECU's With a power range ofThe Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine the optimal design for increasing power as much as possible throughout the rev range. Short as possible primaries with a single secondary significantly decrease header volume, allowing exhaust gas pressure to build quickly. Symmetrical 4 1 design maintains high and consistent exhaust velocity as RPMs rise. You can expect faster spool up