2009-2009 Subaru Outback Killer B EL 4-1 Holy Header 2-Bolt Manifold
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.
"Works with any 2-Bolt Up-Pipe, including rotated
Two-Bolt Reduced cost!
Up-Pipe not included"
|Parent Product Type||Performance Upgrades|
|Brand||Killer B Motorsport|
|Year||2004, 2005, 2006, 2007, 2008, 2009|