Looking to replace the boring stock 2018 CIVIC SI shift knob? We have a whole array of Honda Civic SI shift knobs and shift knob replacements for you to choose from. JDMuscle carries the Suji Series shift knobs in several different colors including black and silver. These shift knob replacements are designed to have a balanced weight with a comfortable ergonomic feel that will enhance your driving experience. Their styling is unprecedented with their red hand painted Kanji character and beautifully embroidered numbering. If this isn’t your style, then JDMuscle has plenty more 2018 Civic SI shift knobs to offer you. Carbon fiber adds a whole new dynamic to the interior or exterior of your vehicle and what better way to tie it all together than with a carbon fiber shift knob replacement? The Tanso carbon fiber shift knob comes in red or black carbon fiber design and is super sleek with its glossy finish. All of our shift knobs are made to fit multiple different cars which makes them ideal for swapping out your Honda S2000 shift knob. Other JDM shift knob replacements include the Raceseng Contour shift knob with no engraving. This red translucent shift knob is ultra-smooth not only because it doesn’t have any engravings, but the finish is glossy and sleek. If you’re looking for more of a cylindrical shift knob, then check out either the Tomei shift knob short 90mm or if you’re looking to go as small as possible then the Tomei shift knob short 70mm is the shift knob for you!