What does double turbocharging mean?

"Hysteresis" makes the engine delay to increase or decrease the output power. If you accelerate faster like this, you will feel that the engine is not working.

Double turbocharging is a supercharging system with two mutually independent turbochargers. When the engine and two turbochargers work together, the intake efficiency is greatly improved, the supercharging effect is more obvious, and the power performance is greatly improved, mainly to improve the "hysteresis phenomenon".

When the engine works with two turbochargers, the intake efficiency is greatly improved, the supercharging effect is more obvious, and the power performance is greatly improved.

On the other hand, when the engine speed is low, only one low-speed turbine works. At this time, less exhaust gas can drive the turbine to rotate at high speed, generating enough intake pressure. When the engine speed increases, the high-speed turbine continues to work at a high boost value, providing coherent and strong power.

Tips: If you like strong power, car owners with speed can consider double turbocharging, but its maintenance cost is relatively high.