ham antenna cowl

Looks like the pervious owner was trying to install a body mod or snorkel. The passenger's side cowl to the outside of the ventilation is offset (see photos). I ordered the clips that fix it in place from Toyota. Concerned about damaging the piece on the way to replace the clips and set it in...

Hey all - Has anyone mounted a dual band (UHF/VHF) antenna on the drivers side cowl (like the FM antenna is on the passenger side)? I understand roof mounting is optimal, but drilling through the roof on my new '13 TT is just a painful thought... I'm also trying to achieve a factory...