DEI

Design Engineering, Inc. (DEI) specializes in advanced thermal and acoustic management solutions for automotive, powersports, and industrial applications. For decades, enthusiasts and professionals have trusted DEI products to control heat, protect components, and reduce unwanted noise — improving both performance and comfort without compromise.

This collection brings together DEI’s core product lines, engineered with proven materials like woven silica, basalt fiber, and reflective mylar. Whether you’re building a dedicated track car, restoring a classic, or simply looking to preserve critical wiring and hoses, DEI offers reliable, easy-to-install solutions.

  • Exhaust wraps and tapes — manage under-hood temperatures and improve exhaust flow
  • Heat shields and sleeves — reflect radiant heat away from intakes, fuel lines, and electronics
  • Floor and firewall insulation — reduce cabin heat and road noise for a more comfortable ride
  • Sound damping materials — kill panel resonance and block airborne noise
  • Accessories — clamps, ties, and tapes for a clean, secure installation

Every product is built to withstand harsh under-hood conditions while remaining straightforward to install. From fiberglass header wrap to formable heat barriers, DEI gives you what you need to manage heat and sound exactly where it matters.

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DEI Gen-3 T3 Titanium turbo heat shield with silicone-coated exterior and riveted anchor points

$329.05

Low in stock
DEI Gen-3 T4 Titanium turbo heat shield with silicone-coated outer shell and integrated riveted anchors.

$391.02

In stock
DEI Onyx Series black dual-layer starter heat shield with textured material and integrated hook-and-loop fastening system.

$98.25

Low in stock
DEI Ultra 47 silver reflective starter heat shield with hook-and-loop closure, 7 inches by 24 inches.

$98.25

Low in stock
12x17.5 inch DEI Adapt-A-Shield XT flexible aluminum heat barrier sheet with poly-glass cloth backing

$24.99

Low in stock
DEI 10224 stainless steel heat shield standoff brackets and mounting hardware kit components.

$19.79

Out of stock
DEI black oxide hardened steel locking tie tool for tightening stainless steel exhaust wrap ties.

$7.07

In stock
DEI stainless steel positive locking ties in 8-inch and 14-inch lengths with the included metal tightening tool.

$33.08

In stock
Four 14-inch DEI 316 stainless steel positive locking ties with self-locking mechanisms for high-heat applications.

$14.33

Low in stock
Ten DEI 10210 316 stainless steel positive locking ties, 20-inch length for securing high-heat exhaust wrap.

$38.87

In stock
Set of four DEI 14-inch stainless steel positive locking ties with self-locking mechanisms for exhaust wrap.

$13.13

Low in stock
Eight DEI 1/4-inch by 9-inch 316 stainless steel positive locking ties for high-heat automotive applications.

$20.81

Low in stock
Five 14-inch DEI Lockjaw 316 stainless steel locking ties featuring the signature spring-wave tension pattern.

$14.99

Low in stock
DEI 10205 multi-pack 316 stainless steel locking ties in 8-inch and 14-inch lengths for high-heat applications.

$28.62

Low in stock
Nine DEI Lockjaw 8-inch 316 stainless steel locking ties featuring the unique spring-wave tension pattern

$19.99

Low in stock
DEI 20-inch stainless steel self-locking ties for exhaust wrap and high-heat insulation bundling

$33.85

Low in stock
Set of five DEI 14-inch stainless steel locking ties featuring a self-locking ball-bearing mechanism.

$12.43

Low in stock
DEI 8-inch stainless steel self-locking ties for securing high-temperature exhaust wrap and automotive wire bundles.

$19.23

In stock
DEI ONYX Series T4 turbo heat shield in black carbon fiber finish with stainless steel riveted anchors.

$386.11

In stock
Black DEI ONYX Series T3 turbocharger heat shield with reinforced stitching and riveted stainless steel anchors.

$318.82

Low in stock
DEI Titanium Turbo Shield for T25 and T28 housings with riveted anchors and double-reinforced seams.

$312.85

In stock
DEI Titanium T4 turbocharger heat shield showing the metallic weave and riveted anchor points.

$338.52

Low in stock
DEI Onyx series black wastegate heat shield with riveted tie-downs for Turbosmart 40mm and 45mm wastegates.

$198.05

Out of stock
Titanium finish heat shield cover for 40mm to 45mm external wastegates with riveted tie down points and safety wire.

$172.16

Low in stock
Titanium weave T3 turbocharger heat shield with riveted anchors and reinforced seams

$285.97

Out of stock
DEI 1-inch wide by 100-foot roll of Titanium exhaust wrap with woven lava rock fiber texture.

$97.82

Low in stock
DEI Titanium Exhaust Wrap 2-inch by 35-foot roll featuring a bronze-colored lava rock fiber weave

$55.22

In stock
DEI Titanium 2-inch by 25-foot exhaust wrap roll showing the characteristic lava rock woven texture.

$39.45

In stock
2-inch by 100-foot roll of DEI Titanium exhaust wrap featuring a woven lava rock fiber construction.

$143.82

In stock
Roll of DEI 2-inch wide Titanium exhaust wrap featuring a textured lava rock weave

$27.59

In stock

Can’t Find the Part You Need?

Our catalog represents only a portion of the automotive products available through our supplier network. If you cannot find a specific part, brand, or application on our website, submit a request below, and our team will help source it for you.

Please include as much information as possible, such as your vehicle's year, make, model, trim, engine, desired brand, or part number, to help us quickly identify the correct product.

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