I didn't even buy the $80 o2 sensor extender that Fswerks suggest to buy with it. It wasn't needed!
2 Sundown X10's in 2.5cuft Net tuned to 31.65hz
SKAR SK-1500.1d, SKAR SK-85.4
Lots of Audio Technix 0 gauge
XS Power 1200,XS Power 3400d
I murder lowssss