Compressive Tuning Smartflow Radiator Shroud 2015-2021 WRX / 2015-2021 STI Go Fast Bits-InStock Koyo’s engineering approach emphasizes precision

Koyo’s engineering approach emphasizes precision

and crossovers

It’s an ideal choice for Subaru enthusiasts who want a subtle yet effective performance enhancement without extensive modifications

Reduced Wind Noise: Engineered to minimize wind buffeting and vibrations

Compressive Tuning Smartflow Radiator Shroud 2015-2021 WRX / 2015-2021 STI Go Fast Bits-InStock Koyo’s engineering approach emphasizes precisionThe smart, functional evolution of the radiator shroud. Compressive Tuning proudly presents the Smart Flow Shroud, the first radiator shroud that actually improves performance with functionality. The three piece design of the Smart Flow Shroud catches and directs air from the grille into the air intake box, driving the most airflow of fresh cool air into the intake system. The Smart Flow Shroud will give a boost in performance from stock to heavily