Perrin [15-25 WRX, 10-17 Legacy, 18-23 Crosstrek] Manual Shifter Stop Black AnodizedThe PERRIN Shifter Stop is designed to eliminate the excessive horizontal slop between the 1st and 2nd gear shift gates in your 2015 Subaru WRX, which can be nearly 1. 0 inch of play. This unwanted movement leads to a disconnected shifting feel and loss of positive engagement. Reduces horizontal shifter slop from ~1" to 0. 12" Creates a more solid, precise connection between driver and transmission Improves overall shift feel and responsiveness By