theotherguy
10+ year member
Member
How do I figure out the best port size and lenth? Yea my sub's came with some spec's but it said I would need to tune port's to my box and car setup for best sound. It said port size should be 3.5-5 in's dia. and 6-14 in's long. Also 2 sub's one box should I use 1 port or 2? Any thought's?