Whether you're looking for products to protect your Starter, Battery, Muffler or Headers, Design Engineering has a custom fit solution. We design our products to solve heat issues, improve performance or protect many specific areas and components including Turbos, Air intake tubes, Fuel cans and many more.

All 2 seat models 2011-2017 Blocks heat build up in the cockpit area Reduces engine noise & vibration Adhesive backed & precision cut No modifications are needed for installation
Batteries are very susceptible to heat and vibration that could cause premature failure and hazardous leaks. Cell Saver™ is very capable of damping vibration and will absorb and neutralize any damaging leaky battery acids. Cell Saver™ is easy...
Cool Cover is designed to prevent air tubes from becoming heat sinks. Made of heat treated glass fiber with a reflective coating, Cool Cover will reflect radiant heat from air tubes and promotes a cooler, denser, more powerful air charge. With a unique...
Description coming soon
Prevents over heating of engine oil. Shields the oil cooler and filter that are very close to the exhaust.
Prevents over heating of engine oil. Custom length sleeve is design to cover the oil cooler lines that run very close to the exhaust.
As low as $84.62
A well know and long time problem with many Corvettes is the amount of heat transferred into and through the console. DEI has the solution to dramatically reduce the amount of heat transferred to the Corvette C5 and C6 Transmission Tunnel Reinforcement...
Protects Dynamometer tie-down straps from burn-through caused by hot exhaust systems and gas.
As low as $6.40
Cover you EGR tube reducing under hood temperatures
Light weight, formable rigid shield provides excellent thermal protection up to 1300°F with minimal gap of 1 inch to heat source. Can be formed or bent by hand to conform to odd shapes. Mechanically fasten with pins, screws or bolts. Resistent to...
As low as $12.87
In hot temps, both performance and factory fuel injectors can be at risk of vapor lock or heat soak causing a rough idle, slow starting or other potential serious engine problems. DEI has the solution by introducing Fuel Injector Reflective Heat Covers...
Helps prevent vapor lock issues in you In Line 6 Jeep ingine. Kit includes everything you need for a complete job. 6 Injector covers, Intake manifold shield, 12 Injector o-rings, Fuel rail cover and detailed instructions.
Golf Cart Muffler Shield
As low as $41.19
The Yamaha G Series golf carts are one of the most popular cart models available today. Its durability and function make it a favorite for retirement communities and golf courses accross the country. The compact engine design puts the muffler directly...
When mounting heat shields or other materials it can be difficult to make it look professional. DEI has put together a complete Grommet and Tie kit to make any install look first class. Included in the kit are 24 - 3/8” grommets, Grommet eyelet tool, Six...
Polaris® has redefined the powersports market segment with the recent introduction of its three wheeled Slingshot™. With its compact design and 4 cylinder engine, the muffler, catalytic converter, and exhaust manifold all reside in close proximity to...
DEI now offers an auxiliary fan system to help evacuate the hot air that gets trapped in the engine compartment on the Honda® Pioneer SxS. Riders will welcome the cooling relief while slow going on trail rides or working on their property. A digital...
Tired of feeling the burn from your Honda® Pioneer? DEI now offers a heat shield kit that reduces the seat temperatures as well as blocking the heat radiating up through the seat belt holes. Also included, are two additional shields that protect the...
Protection from hot brake drums and rotors.
Protects battery box and electrical connections from heat damage while operating at slow off road speeds. Heat from your passenger side exhaust can rise to the point of damaging your battery box and Electrical connections when under heavy loads and slow...
Eliminates the need to relocate coils packs and prevents premature coil failure due to overheating. Easy to install precut shields install under the coil bracket reducing the radiant heat to the coils from the engine and exhaust. Works on factory and...