Ported Box Build & SPL Test - 2 MASSIVE Russian Carbon Fiber 12“ Subwoofers 5000 Watts

Tons More Pics here: Visit my site! Join the forum! Yes, we are well aware that a SMALLER car (especially an oldschool Honda CRX) will yield much better results. But this is pretty good from the rear cargo of a 2002 GMC Yukon and so little cone area. The subwoofers are still underpowered by a few thousand watts. They sound great though!