both designs port/sub face back
on 350-400rms each,
subs are 2x sa8v1
in trunk, car is a 2012 hsv r8
i no the second one will have better efficiency on the port over duel chambers

2 difference designs in same area,thoughts? recommendations? improvements?-untitledsa88.jpg

2 difference designs in same area,thoughts? recommendations? improvements?-untitledsa888.jpg

2 difference designs in same area,thoughts? recommendations? improvements?-sa8new.jpg

2 difference designs in same area,thoughts? recommendations? improvements?-sa8new888.jpg