Grimmspeed StealthBox Cold Air Intake BLACK - Subaru 15-21 STI - 060077 814 Series delivering a 44% increase in

delivering a 44% increase in fuel pressure over the factory fuel pump (115 PSI max pressure AEM vs 80 PSI max pressure stock)

V-Band inlet

HC10-HDG6 kit features ACT's most popular Heavy Duty pressure plate

Quiet operation with increased strength and reliability

Front Camber Plates Standard On Applicable Kits

Grimmspeed StealthBox Cold Air Intake BLACK - Subaru 15-21 STI - 060077 814 Series delivering a 44% increase inInspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ WRX. You've been asking for this bad sally for a while and it's finally here. The intake the for the 15+ STI can be thought of as a hybrid of the tube and filter used in the 08 14 WRX intake and the Stealthbox heat shield used in the 2015+ WRX intake. Small design changes were made, but the overall fit and performance is