Perrin Positive Steering Response System (PSRS) Subaru WRX 02-05


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Replaces Front Control Arm Rear Bushing

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Get the most from steering input with the addition of Perrin's PSRS system. Their system increases steering response in corners by adding additional caster angle, straight line performance by preventing lift when accelerating, and installs easily by eliminating the squishy factory rubber mount. The increased width of plus size wheels adds enough leverage over the factory rubber mounts to literally pull the car side to side, even on slightly uneven pavement. This is extremely unnerving and can be completely eliminated with Perrin's PSRS system. Impreza owners that want the increased caster angle but want more compliance in the ride can use the optional Urethane Bushing Set. Available for Impreza, WRX, STi and Legacy.

Installation Guides and Links

Installation Guide
Describes how to install Perrin's Positive Steering Response System (PSRS) on Subaru WRX 02-05



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Perrin Positive Steering Response System (PSRS)
Replaces Front Control Arm Rear Bushing
Subaru WRX 02-05
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