DEI

Heat & Sound Control

DEI

DEI, short for Design Engineering, Inc., makes heat and sound control products for cars, trucks, UTVs and motorcycles. The range covers exhaust wrap and knit exhaust sleeves, turbo shields, reflective and floor and tunnel heat shields, and heat sleeves and spark plug boots for wiring, hoses and fuel lines. It also includes Boom Mat sound damping and headliner kits, vehicle-specific heat shield and insulation kits, split wire loom and high temperature shrink tube, stainless steel locking ties, Radiator Relief coolant additives and installation tools. Every listing gives the DEI part number, and vehicle-specific kits list the model years they fit.

Exhaust, Turbo & Engine Bay HeatSized by Diameter, Width & LengthDEI Part Numbers
What We Carry from DEI
Exhaust wrap, knit exhaust sleeves and turbo shields
Reflective sheet, tape, floor and tunnel heat shields
Heat sleeves, heat shrouds and spark plug boots
Boom Mat sound damping, headliner and insulation kits
Wire loom, shrink tube, locking ties and coolant additives
Most DEI parts are universal-fit — exhaust wrap, heat sleeves, sheet and tape shields, wire loom, locking ties and coolant additives are chosen by size, length and temperature rating rather than by vehicle, so they will not appear in the Part Finder. Match the inside diameter, width or length in the product title and description. Warranty terms are shown on each product page under Manufacturer's Warranty.

417 products