Flyin Miata coolant reroute

The best coolant reroute on the market - and the only one that is truly compatible with a turbocharger. First - why do you want a coolant reroute? Because when Mazda went to put the B-series engine in the Miata, they decided to put the thermostat on the front of the engine for packaging reasons. This means that a large portion of the coolant never goes through the back half of the engine, leading to poor overall heat transfer and problems with the #4 cylinder running hot. Moving the thermostat to the back of the engine, where it's supposed to be, solves these problems. We've been selling reroutes for years and we've spent a lot of time engineering improvements. This one has been designed and tested for maximum flow. Our flow area is 8% better than stock, 11% better than the first reroute we sold and 5% better than our previous offering. We even tested flow through the heater so you'll stay warm. It puts the thermostat right into the head where it belongs so it reacts quickly. It's comp