Killer B EL 4-1 Holy Header/Up-Pipe - w/ SwainTech Coating & EGT Bung - 2004-2021 Subaru STI / 2002-2014 WRX, 2004-2013 Forester XT / 2004-2009 Outback XT / 2004-2009 Legacy GT PDM_rear-lips The XClutch Cushioned Ceramic clutch

The XClutch Cushioned Ceramic clutch kit uses a ceramic disc with a cushioned design -- a spring hub with additional damping between the friction surfaces -- for improved pedal modulation and smoother engagement than a solid ceramic disc

Up to 30% faster boost recovery on gearshift

Paired with the Performance Street organic disc

Fits the 2005-2009 Subaru Legacy GT with EJ20T turbocharged engine

and GD WRX configurations where maximum front roll stiffness is the priority

Killer B EL 4-1 Holy Header/Up-Pipe - w/ SwainTech Coating & EGT Bung - 2004-2021 Subaru STI / 2002-2014 WRX, 2004-2013 Forester XT / 2004-2009 Outback XT / 2004-2009 Legacy GT PDM_rear-lips The XClutch Cushioned Ceramic clutchKiller B Motorsport 321 Stainless Holy Header Up Pipe 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 decrease header volume significantly, allowing exhaust gas pressure to quickly build. Symmetrical 4 1 design maintains high and consistent exhaust velocity