Billetworkz 2" Shift Knob Extender Blue Cosmic Subaru WRX/STI 2004-2021 6-Speed Fitment | BW-EXT-SUB6-2-BC CivicSI_2017-2021 The lingering exhaust gasses in

The lingering exhaust gasses in the longer tubes of the UEL header systems can also cause increased temperatures at the cylinders

Dramatically reduces intake air temperatures

Premium billet aluminum oil cap

which bumps the core volume by 30% over the stock unit

All Hardware Included

Billetworkz 2" Shift Knob Extender Blue Cosmic Subaru WRX/STI 2004-2021 6-Speed Fitment | BW-EXT-SUB6-2-BC CivicSI_2017-2021 The lingering exhaust gasses inThese 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