What is redline?

Redline refers to the maximum safe operating limit of an engine, beyond which damage or failure may occur. This limit is usually indicated by a red line on the tachometer. Exceeding the redline may cause the engine to overheat, damage internal components, or result in complete engine failure. It is important for drivers to monitor their engine's RPM and avoid exceeding the redline to prevent damage and ensure the longevity of their vehicle. Redline can also refer to a brand of automotive performance products, including engine oils, fuel additives, and transmission fluids, that are designed to enhance vehicle performance and protection under extreme driving conditions.