Engineering Smart / Not Street Smart

It's important to burn that fuel in order to heat the cat to protect the environments from all your burning fuel...

 

I'm not 100% how they did it on the Forester. Here's a google pic that I found. Either there is some part on the bulb shroud (those are typical for halogens) or it is the crease at the bottom of the reflector that does it. Neat stuff for a reflector design.

I need to get some off roading experience in daylight before I go playing in the dark. My bikes were easy, the Tacoma will be something very different.