Custom Fiberglass Boxes for Most Cars and Trucks 

General Motors

Dodge / Chrysler


Custom Fiberglass 10" and 12" Subwoofer Boxes for Yukon, Suburban, Silverado, Avalanche, Tahoe, Cadillac Escalade, and more.

Custom Fiberglass 8", 10" and 12" Subwoofer Boxes for Ford F150 / F250 / F350  Standard, Extended and Crew Cabs.

Custom Fiberglass 8", 10" and 12" Subwoofer Boxes for Dodge Magnum, Charger, Chrysler 300 and more.

Universal 4-10" Ported 6 Cubic Feet

Over 150 Automobiles to choose from...

Bassforms attends SEMA show in Las Vegas

Universal 4-10" Box with Raised Flames Painted and LED for most SUV's with 48" width