A car turbocharger is a device that converts exhaust energy into intake energy. It can release more horsepower and torque from the engine by increasing the intake air volume and pressure. This is because the turbocharger can make full use of the heat and kinetic energy contained in the exhaust gas and convert it into the potential energy and pressure energy contained in the intake air, thereby improving the intake air quality and effect. Through the turbocharger, the intake air volume and pressure can be significantly increased, making the mixture generate a stronger explosive force inside the engine, pushing the piston to do work, thereby releasing more horsepower and torque.