2019 to 2026 Specific GMC Sierra 1500 crew cab subwoofer box. fits  Hd models 2500 3500 Crew cab 2020 to 2026

NO SEAT LIFT is required  Does NOT fit double cab

port dimensions

Length: 19"  Width: 6.5"  Height: 2.25"

Air Space Per Sub .5 cubic ft

Box Tuning 39 HZ

mounting depth 8"

ported on sides chambered in middle.  etched acrylic  internal bracing   3/4ths wood   Rhino spray lined

approx. measurements 49" Length Depth 15"

Front height 10.375" Rear height 6.25" has trans. hump cutout and seat bracket cutout, bottom clearance for large motor/magnet subwoofers.

6.625" woofer depth  7.375 cutout    Tuned to 35hz.

   cajon para bocinas parlantes bajeos medida 8 pulgadas para 4 puertas CREW CAB  2019 a 2026 silverado 1500

2020 to 2026  2500Hd  3500hd modelos diesel y gas