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Complete your WRX/STI rear diffuser by sealing the large open area between the underbody and the rear diffuser
Less Body Roll — Starting With the Sway Bar
5 degree of caster + anti-dive Adds +0
Required: 1 kit per axle
As with an AEM CAI
Cusco Power Brace Rear Member Side - 2008-2021 Subaru WRX / STI PDM_lug-nuts Complete your WRX/STI rear diffuserCusco's Power Braces stiffen your vehicle which in turn increases performance. They attach to key parts of the vehicle. e size as the OEM paper filter. Cusco's Power Braces stiffen your vehicle which in turn increases performance. They attach to key parts of the vehicle. Combine different Cusco pieces for the ultimate experience.
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