Killer B Equal Length 4-1 Holy Header and Up Pipe EJ Series Sensors Price is per gasket

Price is per gasket

NEW AS OF 8/2015 precision block decking registering from the mains

G4+ Monsoon

Horsepower: 650HP

5 uL less fuel per injection event

Killer B Equal Length 4-1 Holy Header and Up Pipe EJ Series Sensors Price is per gasketThe 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