The Airtec Turbo Elbow Induction Hose enhances your Hyundai i20N s performance by increasing airflow and throttle response. This direct replacement part features a larger, freer-flowing design with an increased internal diameter to reduce intake restrictions.Key features include: 50% Increase in Inlet Diameter: The original elbow starts at 43mm and gradually increases to 53mm, but this upgraded elbow expands to a significant 76mm, significantly boosting airflow to the turbo and enhancing throttle response. 106% Increase in Cross-Sectional Area: The increased cross-sectional area allows for a much larger volume of air to pass through, reducing restrictions and improving overall engine efficiency. Larger, Freer-Flowing Design: This design helps in reducing the resistance within the intake side, facilitating better airflow and subsequently improving the turbo s performance. Improves Air Flow to the Turbo: By maintaining a consistent 76mm diameter all the way to the air box, the silico