Bilstein Performance Suspension System Subaru WRX / STI 2008-2014 Keri Monitor you do not have this

you do not have this control so you are forced to run 16psi through the entire rev range

Part #: 654X-10

(1) M6 Short arm hex key

Manufacturer Warranty - Limited Retail Warranty

2009-2018 Subaru Forester XT

Bilstein Performance Suspension System Subaru WRX / STI 2008-2014 Keri Monitor you do not have thisPart #: 48 155830 The Bilstein B16 PSS9 10 kit is a race inspired system, providing the ultimate in high performance tuning. The manually adjustable monotube gas shock absorbers feature 9 or 10 stage precise compressing and rebound settings, from comfort to competition. The threaded body allows accurate adjustability of the front and rear progressive springs to achieve the vehicle ride height (30mm to 50mm), center of gravity and level of performance