Cobb Tuning Subaru 5spd Shift Knob - Race Red - 211350-RDEMISSIONS This part is not an emissions related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION The COBB Subaru Shift Knob is designed to keep those extended shifting sessions exhilarating. The billet machined aluminum shift knob base is anodized in your choice of red or black to help set the mood and is internally threaded to provide a tight fit onto the shifter shaft that won't come loose in the most frenzied of gear