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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
Part #: APR-AS-106760
Subaru STi 2004-2017
Nissan 350Z 2007-2009
In addition to receiving tightly matched injectors
Killer B DIY Holy Header Rotated Turbo Subaru WRX 2002-2014 / STI 2004-2021 | HH-DIY vendor_Cosmis Wheels Part #: APR-AS-106760Part #: HH DIY The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power in the mid to high RPM 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
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