Killer B Equal Length 4-1 Holy Header EJ Series OS Giken head over to the Maps

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Mono tube dampers allow for more accurate and stable control and adjustment of dampening

Proposition 65 requires businesses to provide warnings to Californians about significant exposures to chemicals that cause cancer

Excessive heat can cause resins in your brake pad to vaporize or "outgas

Killer B Equal Length 4-1 Holy Header EJ Series OS Giken head over to the MapsThe Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase 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 time