MTI Acoustics Stage 2 (14-18) GMC Sierra Crew Cab Quad 8 Subwoofer Box. You will need a rear seat lift kit for proper installation. Top quality build with the subwoofer guard, post terminals, and sound deadening.Acrylic inserts have not been adhered yet. My feedback speaks for itself. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio & Video Installation\Speaker/Sub.
The seller is "bsmcc7" and is located in this country: US. This item can be shipped to United States.