For twenty years now Design Engineering, Inc.™ has been known for producing exceptional quality heat control products primarily sold through the performance distribution system. Over the years they have designed custom solutions for many industries and fields including, aviation, powersports, racing, marine and even locomotive. DEI has also produced "build to spec" contract work for commercial, industrial, and military-related businesses to name a few. All of these businesses who decide to contract Design Engineering for heat and sound solutions have recognized their capabilities and ability to come up with correct and innovative products to solve the problem.