Killer B Motorsport 321 Stainless Steel Holy Header With 2-Bolt Flange
Killer B Motorsport 321 Stainless Steel Holy Header With 2-Bolt Flange is backordered and will ship as soon as it is back in stock.
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Killer B Motorsport 321 Stainless Steel Holy Header With 2-Bolt Flange
Description
Description
The 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 compared to long primary/double secondary designs. A difference you will immediately notice in throttle/boost response and the ability to hold more power higher into the revs.
2004-2019 STi, 2002-2014 WRX, 2004-2013 Forester XT, 2004-2009 Outback XT, 2004-2009 Legacy GT
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