GrimmSpeed StealthBox Cold Air Intake - Subaru WRX 2015-2020 Piping Color:Red but would roar at wide

but would roar at wide open throttle

Universal Mounting Solution

The dramatic firewall flex is the source of this performance flaw in Subarus that we came to solve

Grimmspeed gives you the factory fitment you have been waiting for

GrimmSpeed StealthBox Cold Air Intake - Subaru WRX 2015-2020 Piping Color:Red but would roar at wideInspiration for the StealthBox Intake came from internal discussions about what GS 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