Intercooler Upgrade Fits Honda Civic Si 1.5L Turbo Agency PowerAgency Power's new large capacity, high flow intercooler for the Honda Civic Si is a direct replacement to improve efficiency and gain horsepower. With this performance intercooler, your high revving Civic Si engine will see gains in both horsepower and torque. The bar and plate intercooler core is designed to keep charge temperatures down. With its high volume end tanks, air flow is never compromised when the turbocharger requires it. Each