Grimmspeed StealthBox Cold Air Intake BLACK - Subaru 15-21 STI - 060077 814 Series Quiet operation with increased strength

Quiet operation with increased strength and reliability

A must have if your using aftermarket cams and valve springs

Center bore: 73

-4AN Two Piece AN Flare Cap Nut - Black - 929-04-2

It’s lightweight yet rigid construction and sophisticated chassis dynamics helped the Fit gain its sporty persona

Grimmspeed StealthBox Cold Air Intake BLACK - Subaru 15-21 STI - 060077 814 Series Quiet operation with increased strengthInspiration 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