GrimmSpeed Stealthbox Intake 2015-2021 STI

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 approximately the same.

Quick Specs

• Hybrid Cold Air/Short Ram Design - Combining the advantages and eliminating the negatives of both traditional intake designs
• Air straightener - Dimensionally mimics the factory configuration for accurate MAF sensor readings
• MAF sensor location - Inside heat shield, isolated from engine bay heat
• Custom reusable high flow air filter - Integrated velocity stack entrance smooths incoming air
• StealthBox Heat Shield - Sleek, unique design looks KILLER in your engine bay and keeps the heat of the engine bay from affecting performance
• Made in the USA - Right here in Minnesota, in fact
• 30min Installation - Extremely simple with our written and video guides