My powered sub gets its signal from the rear speakers, so the volume is controlled by head unit.
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Received 7/2/10: 11' GT base with 3.73,
Installed: Steeda CAI, SCT, Steeda tune, GT500 axlebacks, SVT leather wheel, Infinity Kappas, Boston amp, Bazooka powered sub, yellow fog light bulbs, dark front corner lights, GT500 splash guards, tint, SVE Drift matte 18"x9" wheels with 265/40s and SVE 1" drop springs, Koni Yellow, HP+ pads, brake duct coolers with CS front lower and splitter
Bought and soon to be installed: Edelbrock E-force stage 2
Stable: 14 SHO, 10 Road Glide