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with each layer shaped to direct air flow in a specific way to increase the amount of downforce generated by the spoiler
For Subaru WRX STI (2015–2019)
Availability
All units produced from December 2025 onwards now utilise 45 mm × 2
4SRC R1 rear bumper and rear valance kit OPTION:Rear valance with each layer shaped toIntroducing the R1 Rear Bumper: Precision in Prepreg Carbon Fiber Our R1 rear bumper is expertly crafted using prepreg carbon fiber, combining cutting edge lightweight technology with striking aesthetics. Explore our range of options designed to cater to your unique needs: 1. Dry Carbon Rear Valance Kit If youre satisfied with your MY17 GT R R35 OEM stock bumper, this kit offers a seamless upgrade by replacing the factory plastic parts with high
US$ 365.26
US$ 749.50
US$ 210.46
