Control heat and noise throughout your vehicle with aftermarket thermal and acoustic management solutions designed for comfort, protection, and performance. From heat sleeves, wraps, and shields that defend critical components from extreme temperatures to hood insulation and sound damping kits that reduce noise and vibration, these upgrades help create a cooler, quieter, and more refined driving environment. Ideal for performance builds, daily drivers, and long-haul vehicles alike, thermal and acoustic management products improve reliability and comfort where it matters most.
The DEI Heat Sheath GOLD™ is engineered to provide superior heat and abrasion protection for automotive lines, hoses, and wires in demanding environments. Constructed...
The DEI Protect-A-Wire 8 Cylinder kit offers essential thermal protection for high-performance spark plug wire sets in automotive applications. Crafted from high-temperature resistant glass...
The DEI Black Titanium Protect-A-Sleeve with LR Technology(TM) is engineered to provide superior thermal protection for automotive, Powersports, and marine applications. Designed from the...
The DEI Protect-A-Sleeve with part number dei10590 offers exceptional high-temperature protection for automotive, motorcycle, and powersports applications. Crafted from durable Titanium material and infused...
The DEI Black Titanium Protect-A-Sleeve with LR Technology(TM) offers superior thermal protection for automotive, Powersports, and marine applications. Designed to withstand extreme temperatures up...
The DEI Titanium Protect-A-Boots XL are engineered to provide exceptional thermal protection for spark plug boots in high-performance engine applications. Made from a proprietary...
The DEI Titanium Protect-A-Boot 6-inch protects spark plug wires and boots from extreme heat, chemicals, and abrasions, making it ideal for high-performance automotive, marine,...
The DEI Protect-A-Boot 6-inch offers essential protection for spark plug boots and wires from extreme under-hood heat, helping prevent burn-through, cracking, and hardening caused...
The DEI Protect-A-Boot 6-inch provides essential protection for spark plug boots and wires from extreme under hood heat. Crafted from high-temperature resistant glass fiber...
The DEI Protect-A-Boot 6-inch heat-resistant boots are designed to safeguard spark plug wires and boots from extreme underhood temperatures, helping prevent damage from header...
The DEI Cool-Cover GOLD(TM) is an essential accessory designed to mitigate heat soak into air tubes and cold air intakes, enhancing overall engine performance....
The DEI Fire Wrap 3000(TM) thermal insulator sleeve offers reliable heat protection and insulation for automotive applications. Constructed from the same high-quality material as...
The DEI Fire Wrap 3000(TM) thermal insulator sleeve offers reliable heat protection with a user-friendly design suitable for various automotive needs. Constructed from the...
The DEI Fire Wrap 3000(TM) thermal insulator sleeve offers reliable heat protection for automotive wiring, hoses, and cables. Constructed from the same durable material...
The DEI Fire Sleeve and Tape Kit offers a reliable solution for protecting fuel lines, transmission hoses, brake lines, and electrical wiring from extreme...
The DEI Fire Sleeve and Tape Kit offers a robust solution for protecting fuel, transmission, brake lines, and wiring from extreme heat and abrasions....
The DEI Fire Sleeve and Tape Kit offers a comprehensive solution for protecting automotive fuel, transmission, and brake lines from heat and abrasion damage....
The DEI Fire Sleeve and Tape Kit offers a reliable solution for protecting fuel, transmission, brake lines, and electrical wiring from extreme heat and...
The DEI Dyno Strap Heat Guard is designed to protect dynamometer tie-down straps from the intense heat generated by exhaust systems during testing. Crafted...
The DEI Titanium Pipe Shield (Part Number: dei10453) offers advanced thermal protection for automotive, marine, powersports, and industrial applications. Designed to withstand temperatures up...
The DEI Titanium Pipe Shield (Part Number: dei10451) is designed to provide superior thermal protection for exhaust pipes and components in automotive, marine, powersports,...
The DEI Titanium Pipe Shield (Part Number: dei10450) offers advanced thermal protection for automotive, marine, powersports, diesel, and industrial applications. Designed to withstand temperatures...
The DEI Cool Tube Extreme (Part Number: dei10421) is a high-performance protective sleeve designed to withstand continuous temperatures up to 750°F, providing reliable insulation...
The DEI Heat Sheath, part number dei10420, offers an essential solution for protecting lines, hoses, and wires from extreme heat, abrasions, and chemical spills....
The DEI Heat Sheath (Part Number: dei10419) offers superior protection for wires, cables, and hoses against extreme heat, abrasions, and chemical spills. Crafted from...
The DEI Heat Sheath (Part Number: dei10418) is designed to provide superior protection for wires, cables, and hoses exposed to extreme heat, chemical spills,...
The DEI Heat Shroud (Part Number: dei10405) provides a reliable solution for protecting lines, hoses, and wires from heat and abrasions without the need...
The DEI Heat Sheath is an essential protective sleeve designed to shield wires, hoses, and cables from extreme heat, abrasions, and chemical exposure in...
The DEI Heat Sheath model 10403 offers superior protection for lines, hoses, and wires exposed to extreme heat and harsh environments. Crafted from a...
The DEI Pipe Shield (Part Number: dei10254) offers reliable thermal protection with its durable construction and innovative design. Crafted from high-quality 304 stainless steel,...
The DEI Pipe Shield, part number DEI10255, is designed to provide superior heat protection for automotive pipes and components. Crafted from durable 304 stainless...
Enhance your vehicle’s interior comfort with the DEI Universal 2-Door Vapor Barrier Kit. Designed with advanced, lightweight materials, this kit effectively blocks moisture, reduces...
The DEI Floor and Tunnel Shield II (Part Number: dei95503) is an advanced thermal protection solution designed to safeguard vehicle interiors and critical components...
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