Installing a Viper Alarm, JL Audio, and a Custom Subwoofer Enclosure in our Standard Cab Silverado Project Over/Under, 2003 Chevy Silverado: Part 1 Jeremy Cook Writer Aug 27, 2020 ...

Acquire the partsFor your custom speaker box, you'll need a subwoofer and 20mm MDF (cut with a table or circular saw, or have the DIY shop cut it). You'll also need a drill, pencil, tape measure ...

We may receive a commission on purchases made from links. Most people attempt to build a DIY subwoofer enclosure for one of two reasons. They're either looking for a custom design at an affordable ...