Billetworkz 4" Shift Knob Extender Red Subaru WRX/STI 2004-2021 6-Speed | BW-EXT-SUB6-4-RED vendor_Muteki Purchase the size that is

Purchase the size that is the same as your sway bar

The easiest way to tell this is by pulling down your factory shift boot and looking at the color of the lever

Cosmis Racing XT-206R White Wheel 17x8 +30mm 5x114

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Billetworkz 4" Shift Knob Extender Red Subaru WRX/STI 2004-2021 6-Speed | BW-EXT-SUB6-4-RED vendor_Muteki Purchase the size that isThese shift knobs extenders are a necessity for comfortable and ergonomic shifting. The added height allows for a shorter reach from the steering wheel to the shift knob and also allows for more leverage when shifting. These extenders perform even better with an installed short shifter! Each Extender is CNC machined, polished, and anodized for a perfect, scratch resistant finish. Confirmed fitment for 6 Speed Subarus (includes proper clearance for