So I don't know what platform you are on (iPhone, droid, pc) but on iPhone,
There is a "forward" button (upper right corner)
That provides a menu to reply to thread...
Hope that helps.
2011 Black Mustang GT Premium
Corsa XO & Sport AB/Airaid/Bama 93R
Best 1/4 mile to date 60' 2.009
12.538 ET @112.33
100+ Deg 85 Hum RPR 3PM 1/2 tank street tires