CONTENT

This site subthump.com states the following, "Chevrolet GMC Sub Boxes." We noticed that the webpage stated " All of our boxes are proudly hand-built in the USA." It also stated " We use the highest grade materials and latest manufacturing techniques to ensure that your box will stand the test of time and perform at its peak. Remember when shopping for your next system that the box is an investment just like a sub or amp and there are many factors to consider other than price alone. No other sub box manufacturer can match our quality, or service, or our expertise." The header had custom subwoofer speaker box enclosure as the highest ranking keyword. It was followed by vehicle specific speaker box, chevy speaker subwoofer box, and silverado regular cab sub box which isn't as ranked as highly as custom subwoofer speaker box enclosure. The next words the site used was silverado extended cab sub box. silverado crew cab speaker box was also included but could not be understood by web engines.