here is a pic of the louvers
here are some pics of the tail lights
i cannot remember the name of the forum member that did the treatment to his tail lights and i apologize for not giving them credit, but i loved the treatment they did to the rear so much that i saved the pic they posted as i hope to do the same treatment to my 1LE when i get it, as i like the OP, do not really care for the 14's taillights.
Dave
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2013 Camaro 2SS 1LE, Black
1991 Camaro RS convertible,
1988 Camaro iroc,
1984 trans am