After you upgrade to a BFI shift knob, the first thing you notice is just how much the factory shift boot is lacking. We now offer specific fitment shift boot options in various materials to compliment your new shift knob. Don�t underestimate just how much such a simple piece can dramatically improve the feel of your interior. These boots are CNC cut for a precise and consistent fit. All boots are produced in-house using only the best materials available.� Choose from the selected optional thread colors [black, red, blue, silver, or yellow] to give your interior a unique, or OEM plus look.