Design Engineering Dei Exhaust System Wrap
Design Engineering DEI 10122 Exhaust Heat Wrap Kit, 2" x 25' Roll with Locking Ties, Tan
Design Engineering DEI 10132 Titanium Exhaust Heat Wrap 2" x 35' with LR Technology
Design Engineering DEI 10112 Exhaust Header Wrap Kit with Hi-Temp Silicone Coating Spray
Design Engineering DEI 10831 Spark Plug Wire Boot Shrink Tubes 12mm x 1-1/2" Blue
Why Design Engineering DEI Exhaust Wrap Stands Apart
When it comes to managing the intense heat generated by exhaust headers and pipes, few brands have earned the reputation of Design Engineering, Inc. (DEI). Founded in 1995 and headquartered in Avon Lake, Ohio, DEI spent three decades perfecting thermal tuning solutions for racers, street performance enthusiasts, and everyday drivers alike. Their exhaust system wrap lineup is a direct expression of that focused engineering philosophy — purpose-built to keep heat in the pipes, where it belongs, and out of the engine bay, where it causes problems.
Lava Rock Technology: The Science Behind the Wrap
The flagship of DEI's exhaust wrap lineup is the Titanium Exhaust Wrap with LR (Lava Rock) Technology. Unlike conventional fiberglass wraps, DEI's Titanium Wrap is constructed from pulverized lava rock that is extruded into fibers and then woven into a proprietary, patented weave. This unique process gives the material titanium-like strength and toughness while remaining exceptionally pliable — meaning installers do not need to pre-wet the wrap to achieve a tight, conforming application around headers or pipes.
The thermal performance of this material is where it truly distinguishes itself. While a typical glass fiber wrap is rated to handle direct heat up to 1,200°F, DEI's Titanium Wrap with LR Technology handles direct continuous heat up to 1,800°F and radiant heat up to 2,800°F. This expanded temperature range makes it suitable for everything from mild street builds to full-competition race applications.
Performance Benefits That Go Beyond Heat Containment
Wrapping exhaust headers and pipes with DEI wrap does more than just protect nearby components — it actively contributes to engine performance. By keeping exhaust gases hotter inside the pipe, the wrap helps maintain high exhaust gas velocity, which promotes better scavenging and improved engine output. Reduced underhood temperatures also mean cooler incoming air for the intake, which translates to denser air charges and a more efficient combustion cycle.
- Reduces heat soak on wiring harnesses, fuel lines, and other heat-sensitive components
- Minimizes vibration and temperature-induced breakdown compared to standard glass fiber wraps
- High resistance to chemical spills, oil, and abrasions for long-term durability
- No pre-wetting required — the LR Technology material is soft and skin-friendly during installation
- Available in multiple finishes including Titanium, Black Titanium™, Bronze, and Carbon Fiber looks to suit different build aesthetics
Complete Kit Options for Headers and Full Exhaust Systems
DEI recognizes that most builders want a ready-to-install solution, so the brand offers Exhaust Wrap Kits that bundle multiple rolls of wrap with stainless steel locking ties in a single package. The automotive kits are sized to cover a full set of V8 headers from the exhaust port all the way down to the collector, making them a practical choice for weekend garage builds and professional shops alike. For builders who prefer individual rolls, DEI also offers the Titanium Wrap in 1-inch and 2-inch widths across various lengths, providing flexibility for tighter routing situations or complete exhaust system projects.
For those looking at the broader DEI catalog of thermal solutions, the full Design Engineering DEI brand page covers complementary products from heat shields to sleeve protectors. If you are specifically researching your wrap options across multiple brands, the exhaust system wrap category page offers a complete comparison view.