![Killer B Motorsport 4-1 Holy Header DIY Rotated - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI) Suspension>Control Arms [Concept 3] Added Control Functions](https://cdn.shopify.com/s/files/1/0737/9029/2257/products/41de91facd1b2114134aa566cedf402f.jpg?v=1697907689)
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[Concept 3] Added Control Functions Responding to Driver's Intention
Carbon Fiber
Velox Motorsports WRX Clutch Fork In ANSYS Mechanical
using factory holes
Utilizes coil springs located between the pressure rings to develop initial torque and features full engagement during acceleration and partially under deceleration
Killer B Motorsport 4-1 Holy Header DIY Rotated - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI) Suspension>Control Arms [Concept 3] Added Control FunctionsSymmetrical 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 response and the ability to hold more power higher into the revs. 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