Superchargers do the same job as a turbocharger – they force more air into the cylinder to make more power. The difference lies in how each device is powered.

Turbos rely on the pressure of exhaust gasses to compress the air, whereas superchargers are mechanically driven by the engine's crankshaft.

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The simplest way to understand them is to consider that an engine needs to mix fuel and air to run. Turbos force more air into the cylinder, which can be mixed with more fuel to create more power.

Turbos use the energy of the engine's exhaust gasses to compress air into the engine.

A turbo is similar to a supercharger, except it has an exhaust housing instead of a pulley, and runs off of your exhaust gasses. As your car produces exhaust, the exhaust gas spins the turbine which causes the compressor to force air into the engine.

A turbo is more efficient than a supercharger since your engine does not need to work harder to power the turbo. Because a turbo is not connected directly to the engine, it can spin much faster than a supercharger.

Turbos are formed of two main parts – a turbine and a compressor. These are linked so, when the one spins, the other spins with it. As fuel in the engine is burnt, exhaust gasses are forced out of the engine at high pressure, down a snail-shaped tube to spin the turbine.

This turbine spins at incredibly high speeds (up to 250,000rpm) and causes the compressor (effectively a reversed turbine) to spin. This sucks significantly more air into the engine than a normally-aspirated (non-turbo) unit, making more power.

Essentially, a turbo sits off of your exhaust manifold, and the exhaust gasses spin one end of the turbo (the exhaust side), which makes your compressor side spin also and force air into the intake system, therefore creating air pressure. A supercharger doesn't work off the exhaust gas, it is attached to your engine and spins with the crankshaft.

When the crankshaft spins the supercharger, it forces air into the motor. The turbo is more efficient as it doesn't require engine power to spin it, so it makes more power per boost. A supercharger als