GrimmSpeed StealthBox Cold Air Intake - Subaru 2015+ STI Red (060078) 15550 our goal was to create

our goal was to create a unique

Durable Urethane Construction to handle Daily-Driver Use

It is fully EC compliant and features simple plug-and-play installation for ease of use

TruHart front lower control arms are made from cast and tubular steel for strength and feature spherical (pillowball) bearings in place of your OE bushings to provide a more direct road feel over a rubber bushing

Air springs can be adjusted between 5-100 psi manually

GrimmSpeed StealthBox Cold Air Intake - Subaru 2015+ STI Red (060078) 15550 our goal was to createRed Stealthbox Air Intake Kit (060067) by GrimmSpeed. Inspiration 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