Killer B Equal Length 4-1 Holy Header and Up Pipe EJ Series Subaru Blouch 65mm billet XT compressor

Blouch 65mm billet XT compressor wheel

4" Inlet: Specifically designed for turbochargers with a 2

The Killer B Motorsport Air/Oil Separator should meet and exceed your expectations of how an Air/Oil Separator should function on a Subaru engine

Mounting Stud Gap (Centre to Centre) 136

and N25 head castings

Killer B Equal Length 4-1 Holy Header and Up Pipe EJ Series Subaru Blouch 65mm billet XT compressorThe 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