SSV Works custom molded sub enclosure is designed for a 10" subwoofer and easily installs under the passenger dash. NO CUTTING REQUIRED, the box simply bolts in and provides the proper airspace required for a 10" woofer. Includes a pre-installed pass through subwoofer wire. They are 100% fiberglass for the best sound quality and bass response. They are finished in a black texture coat to match Polaris textures and can be custom painted to match your color scheme. - Includes stainless mounting hardware and step-by-step installation instructions. .