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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
dyno-tuned
EDFC Compatible
Vehicle Specific Design
center of gravity and level of performance handling desired
Road-tested and fine-tuned by BILSTEIN ride engineers
APR Carbon Fiber Side Rocker Extension 2015-up Subaru WRX / STI E36 dyno-tunedAPR Side Rocker Extensions are the next step to help aerodynamically tune the handling of your 2015 up Subaru WRX STI. Made of lightweight and durable carbon fiber composites, APR Side Rocker Extensions help reduce lift at high speeds by preventing air at the sides of the car from rolling underneath the car. The reduced lift helps to stabilize the car during high speed cornering and helps to increase traction for faster lap times. Features: Carbon
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