Killer B Equal Length 4-1 Holy Header and Up Pipe EJ Series Sensors each PW40 40mm wastegate comes

each PW40 40mm wastegate comes complete with 5 different 17-7 precipitation hardened springs for further adjustment of desired boost levels

G4+ Monsoon

5 uL less fuel per injection event

Price is per gasket

1 x Link Sticker

Killer B Equal Length 4-1 Holy Header and Up Pipe EJ Series Sensors each PW40 40mm wastegate comesThe 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