GrimmSpeed Stealth Box Cold Air Intake Black 2015-2018 STI
This is the GrimmSpeed StealthBox Cold Air Intake System. This performance cold air intake system is the result of countless invested hours in research and development to provide the performance enthusiast with a proper intake system designed to add power and performance to your vehicle. This intake system is a direct replacement for the highly restrictive factory intake system that leaves plenty of room for improvement. GrimSpeed has provided you with a comprehensive solution that allows your turbocharger to inhale large volumes of air with a clear flow path free of restrictions straight into the turbocharger.