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More about Coolant Reroute

A coolant reroute changes the path of the coolant through the engine. In some engines, such as the MX-5, this is done to improve heat distribution between cylinders.

Pay attention to the design, hose routing, thermostat position, and space behind the engine. Installation often involves more work than simply replacing a normal coolant hose.

This upgrade is particularly interesting for spirited driving, turbocharged setups, or cars that are subjected to high thermal loads.