Port through ski hole or hear deck

[STS2013]

I'm bout to start building a 4th order bandpass box in my 07 cadillac sts my question is would it be better to port through the rear deck or the ski hole and are there any advantages/disadvantages to either one

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[double 07 10+ year member]

I am getting ready to install a setup in a Cadillac CTS and we are going to do a 4th and fire it through the ski hole......I just built one for the wife's BMW for two SA 10s....

 

[gckless 5,000+ posts]

Ski pass would be easier. You might gain something if you ported through the rear deck simply because of loading off the window, but it may or may not be negligible. Just do the ski pass.

 

[keep_hope_alive Premium Member]

Ski pass would be easier. You might gain something if you ported through the rear deck simply because of loading off the window, but it may or may not be negligible. Just do the ski pass.

agreed - rear deck can be louder if you rebuild the rear deck, but ski pass is much easier and less destructive.