firewall
 

hey first of all i like to say im new to this and im sure the question im about to ask is been answered before, but i couldn't find it so i would like to ask it again..
the question is im about to install a amp and sub to my 1999 honda odyssey EX and i woud like to know where is the best place to pass a power wire from engin into the car ? like through the firewall without drilling a hole ? is there any place i can pass through the firewall ? pics would really help ..please help me i've been trying to find it for last few days thank you so much!!