Posted September 15, 200817 yr Drew up a sealed box for the 18" Q im putting in my altima and just wanted an opinion on it.13" deep34" height21.25" widthShould put me right around 5 cubes.Opinions welcome Edited September 15, 200817 yr by atamanch
September 15, 200817 yr You should be fine. Remember to add a little polyfill to change what the box sounds like.
September 18, 200816 yr you should be fine with that. i had mine in 5.75 sealed after all displacements, and it killed the lows. yours should be close in comparison.