blowthru from trunk

[S4MICHIGAN]

Is it favorable to have a blowthru going thru the center arm rest? What would the pros and cons be? the car is a 2001 s4 would be a 15" something (still trying to figure out) which direction would the sub face? twords the seats or trunk?

thanks

[subzero]

Any will work. You should start by viewing the build logs. check mine out.