Cobb Subaru 5-Speed COBB Weighted Shift Knob (White; Tall) - Subaru WRX 2002-2014 (+Multiple Subaru Fitments) Mirror Caps The maps designed for 93

The maps designed for 93 octane are the most aggressive

Better Suspension Stability

Drivability is similar to the stock clutch

please make sure your installer / service center is properly equipped to handle this process

Cobb Subaru 5-Speed COBB Weighted Shift Knob (White; Tall) - Subaru WRX 2002-2014 (+Multiple Subaru Fitments) Mirror Caps The maps designed for 93The Tall Weighted COBB Knob is designed to keep those extended shifting sessions exhilarating. The billet stainless steel base insert provides a weight similar to OEM knobs and is internally threaded to provide a tight fit onto the shifter which won't come loose in the most frenzied of gear changes. The delrin upper section ensures comfortable gear changes in the most extreme climates. Both Race Red and Black lower collars are included. This knob