This will probably be the shortest article ever.
Here are the packages of the JDM boxes.
Figure 1

See the screw? Get a screwdriver...
Figure 2

And do this...
Figure 3

Gently pull it out...
Figure 4

And now you can do the stock vs. JDM thing.
Figure 5

Get the JDM Corner Light and...well...you know what to do...
Figure 6

You can't really tell with this terrible shot but both the stock and the JDM is installed. Take a guess which side is JDM.
Figure 7

Here is the result...
Figure 8 (Result)

Easy? Yup.
-End Of Article-