Billetworkz 4" Shift Knob Extender Black Subaru WRX/STI 2004-2021 6-Speed | BW-EXT-SUB6-4-BLK vendor_SMY Performance Increases exhaust flow and power

Increases exhaust flow and power over stock

Thicker Materials

Available in red

Dry Application:​​For best results

CLICK HERE for a more in-depth look at the Subaru AOS as shown for the EJ engines

Billetworkz 4" Shift Knob Extender Black Subaru WRX/STI 2004-2021 6-Speed | BW-EXT-SUB6-4-BLK vendor_SMY Performance Increases exhaust flow and powerThese 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