This Kartboy Short Shifter for these 2004+ Subaru STI features an overall shift throw decrease of 40%, providing a noticeable difference and a solid feel. The shift knob height will drop 1" as well. This Kartboy short shifter for the Subaru STI is constructed of CNC'd and TIG welded 4130 Cr-Mo steel. It will install with simple mechanic's tools in under 30 minutes. Made in the USA.