COBB Tuning Delrin Shift Knob White/Red 6MT - Subaru 6MT Models (inc. 2004+ STI / 2015+ WRX) PDM_diffusers-and-vortex-generators the catted downpipe provides the

the catted downpipe provides the majority of the performance benefit of a catless unit while keeping the vehicle compliant in most jurisdictions outside California

The Cobb inlet ensures the full airflow path from filter to compressor wheel is matched

they have been powder-coated for extra protection against corrosion and will provide the engine bay with a cleaner look

these mounts offer a reliable improvement over OEM options

but with advanced adjustment settings suitable for those with a purpose-built race car

COBB Tuning Delrin Shift Knob White/Red 6MT - Subaru 6MT Models (inc. 2004+ STI / 2015+ WRX) PDM_diffusers-and-vortex-generators the catted downpipe provides theThe Shift Knob Your Hand Deserves The Cobb Delrin Shift Knob White Red 6MT Subaru 6MT Models (inc. 2004+ STI 2015+ WRX) is a Delrin shift knob designed as a direct replacement for the factory unit on 2015 2021 Subaru WRX STI . Delrin is a precision machined engineering plastic with a surface hardness and density that gives it a weighted, solid feel without the full mass penalty of an aluminum knob it's comfortable in both cold and hot conditions and