Ported Box For Type-R 1241d

[Decado]

How does this sound for a Alpine Type-R 1241d ported box?
Tuning Frequency=26.2hz
Internal Volume=2.5 ft
Port Diameter=4.0 in
Port Length=17.3

[psych0ticnemes1]

sounds good but check it at carstereo.com

[Decado]

Where do i check it on there?

[psych0ticnemes1]

they have port calculators, just look around

[krouchchocolate]

http://www.accelerator-pedal.com/ported-box.asp

[Decado]

I used a port calculator, i was just wondering if the tuning was fine, or if i should bring it up some.