Cobb Tuning Shifter Bushing - Subaru WRX VA 15-21/WRX VB 22+ The COBB Shifter Bushing for your 2015+ Subaru WRX consists of an aluminum carrier that houses an IGUS polymer bearing. The aluminum carrier eliminates slop present when using the factory rubber isolator. Use of an IGUS polymer allows for low wear and... MSRP: Was: Now: $66.00 Add to Cart