Originally Posted by chithead
4 mpg gain by adding heat reflective tape? I would seriously have to see it to believe it. Cooler air would increase HP and MPG, but my initial assumption is that heat reflective tape would just trap hot air under the hood.
Yes it might trap it under the hood, but if you wrap the intake in reflective tape and ensure there is a proper heat shield, the air you are bringing in would stay cool, regardless of the temperature of the engine bay. Now 4mpg worth????? Don't know.