DEI (Design Engineering, Inc.) has been a trusted leader in heat and sound control for over 30 years, offering premium insulation products that enhance performance and comfort in classic Chevy Camaros, Chevelles, and El Caminos. DEI’s insulation solutions help reduce cabin noise, manage heat, and protect critical components, making every ride quieter, cooler, and more enjoyable.

From under-hood heat shields to interior sound deadening kits, DEI products are engineered with innovation and durability in mind. Their experience in motorsports and industrial applications ensures each product meets the highest standards of quality and performance. If you're looking to improve driving comfort while protecting your investment, DEI offers the proven insulation upgrades your classic Chevy deserves.