GrimmSpeed Stubby Shift Knob Stainless Steel Subaru WRX 02-26 / STI 04-21 - Black | 380002 EVO_2008-2015 The problem is that after

The problem is that after a while

Part Number: 161921

both of which provide improved pressure and heat tolerance compared to the stock rubber counterparts

thermal efficiency

Won't swell or burst under extreme conditions

GrimmSpeed Stubby Shift Knob Stainless Steel Subaru WRX 02-26 / STI 04-21 - Black | 380002 EVO_2008-2015 The problem is that afterThe GrimmSpeed Stubby Shift Knob is for car enthusiasts that prefer a shift knob that's on the short and stubby side. This knob is threaded for all manual Subarus with a thread pitch of M12x1. 25, and will work with both 5 and 6 speed manual transmission models. It is recommended to purchase a shift boot retainer if installing it on a 5 speed model. Stainless Steel Black finish Thread pitch: 12x1. 25mm Stainless Steel Knob Weight: 600g Laser etched