chevy/ gmc
fit :
chevy /silverado 2007 to 2018 /1500/2500/3500
gmc/ sierra 2007 to 2018
para troca 4 puertas !!!
top-of-the-line subwoofer box enclosure for your Silverado or Sierra Crew Cab. This box 4x8-inch woofers Mega bass speakers, double ported design,
The box is specially designed to fit under the seat of your vehicle,
ported on sides chambered in middle with internal bracing and sprayed with black liner for extra strength.
approx. measurements are 53" Length
Depth 16"
Front height 9" Rear height 4.5"
has transmission hump cutout and seat bracket cutout.
Extra cuts on bottom, to help with clearance for larger motor/magnet subwoofers.
8" subwoofer depth
Internal volume of 2.3ft3 and port (Fb) set at 35HZ
woofer cut out 7.5"
