Kick panels would be my ideal place, in my install. As i know they work pretty well on axis, it would be strange if they didn't, Majority of the foreigners that visit DIYMA (i forget which countries directly) use them mounted in there dash's, some kicks so i'm sure there getting reflections off the dash, which in a way would be on axis...Mabey?
Correct me if i'm wrong.
Correct me if i'm wrong.