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HKS Hi-Power Muffler WRX STI/WRX 2015 US
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Decrease front end lift for your WRX and STI with our splitter add-on. By using CFD to aid in the design stage, we were able to balance the car out aerodynamically when in use with our rear...
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Nameless Performance
The Nameless Performance Muffler Delete has been designed to save weight by replacing those heavy mufflers on your vehicle which weigh 13.5lbs each. These muffler deletes are a direct factory fit up...
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Decrease lift and drag dramatically on your WRX/STI with a simple bolt on diffuser. By using CFD to aid in the design stage, we were able to extract more performance out of our initial design as...
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Koyo
The Hyper V-Core Series is the newest to the Koyorad | Koyo All Aluminum Racing Radiator line up. An engine's cooling system in many newer vehicles are suffering due to limited space and crowding...
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Cusco
CUSCO's LCA for the 2015 WRX and WRX STI feature a pillow ball joint and are designed to secure traction in drifting and stability during acceleration under high speed cornering. Most effective when...
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Cobb Tuning
Cobb Accessport V3 - 2015-2018 Subaru WRX/STI Forester XT COBB Tuning Accessport V3: The Accessport is the world's best selling, most flexible, and easiest to use ECU upgrade solution for...
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Decrease lift and drag dramatically on your WRX/STI with a simple bolt on diffuser. By using CFD to aid in the design stage, we were able to extract more performance out of our initial desig