Also, check the battery terminals are clean and securely in place. At one point I had a problem with starting the car on a new battery because one of the terminal clamps kept coming off.
mileage: 55,000km
pads: using front Carbotech pads. Work great, good brake feel. all rotors and rear pads still stock, already had rotors cut once.
driving style: gung-ho spirited
I understand what you're trying to do, but that still will not resolve the primary issue of heat soak. At speed the duct cover does a really good job of getting fresh air to the TMIC. The problem is that the duct also traps hot air when the car is not moving. You would need to find a way to...