Welcome to Design Engineering, Inc. (DEI) on KZbin. Here you will find tech videos, installs, and customer videos that highlight the many benefits of the highest quality heat and sound control products available. Your comments are always welcome at
[email protected] and you can see our entire product line at DesignEngineering.com
Our brands include the DEI line of heat protection, Radiator Relief additives, and Boom Mat acoustical insulation products.