Underneath the rear corner of the car (Drivers side), there is a box with some lines coming from it. Next to it is a smaller box, that seems to work with it.
What the heck is it?
This is under the car on the drivers side, just behind the rear bumper.
I looked in the owners manual and couldn't figure it out.

 

It's the "black box", these cars are so fast that they need to know what happens when they crash!

Me... for being a smartass!

 

it should be a evap system for the fuel tank (i looks very similar to the GM one's

 

It's the evaporator system. It re-circulates the fumes from your gas tank into the intake manifold.

bryan

 

Thanks. After looking at it further, I figured it was part of the fuel system.
That bracket its in, would be perfect for a relocated odyssey battery. Too bad it can't be removed, while trying to keep functionality.

 

anyone do a write up on how to remove this i heard it saves 9-10 lbs