G87 M2 - S Style Carbon Fiber Rear Bumper DuctsG87 M2 S Style Carbon Fiber Rear Bumper Ducts Upgrade the rear end styling of your BMW G87 M2 with the S Style Carbon Fiber Rear Bumper Ducts, designed to add a sharper and more aggressive motorsport inspired appearance while maintaining OEM style fitment. Constructed from premium pre preg carbon fiber, these rear bumper ducts feature a high quality 2x2 twill weave finish that perfectly complements OEM and aftermarket carbon fiber components. The S