Infinite Baffle - will this work?

[3vil]

I vote sell the car and buy an Astro van, then wall it at the B-pillar with 6x18's in a 4th order. But I didn't realize this was a poll either.

[SlamminBeats]

I was able to design a working 4 th order that blows through ski pass. Build has started. Hopefully it sounds decent.