blowthru from trunk

[S4MICHIGAN 10+ year member]

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

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[subzero 5,000+ posts]

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