Grimmspeed StealthBox Cold Air Intake BLACK - Subaru 15-21 WRX - 060060 919 Series We wanted to develop a

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Grimmspeed StealthBox Cold Air Intake BLACK - Subaru 15-21 WRX - 060060 919 Series We wanted to develop aInspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ WRX. Of course performance is the highest priority, but at GrimmSpeed so much more than that goes into a product. We wanted an intake that purred quietly under normal driving circumstances, but would roar at wide open throttle. We wanted an intake that looked at home in the well sported 2015+ WRX engine bay instead of a shoebox