Design Engineering Inc. is one of the foremost manufacturers of thermal tuning products and systems for street performance fans, racers, and hobbyists alike. The company has been providing custom covers and shields as well as heat and sound control solutions for more than twenty years. In addition to serving the high-performance aftermarket, the company caters to the necessities of the marine, powersports, aviation, and industrial markets.

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    • (0 reviews)
      # sp33842
      Battery Box Heat Shield Kit by Design Engineering®. Protects electrical connections from engine and exhaust heat. Protects battery box from exhaust & engine heat. Complete kit to protect battery boxes and electrical connections from...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $51.89
    • (0 reviews)
      # mpn358594653
      Header Wrap and Boot Kit by Design Engineering®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      $118.01
    • (0 reviews)
      # mpn358594729
      Universal Hi-Temp Spray Adhesive by Design Engineering®. 10 oz. 1 Piece. Hi-Temp Spray Adhesive provides high strength adhesion and bonds a wide variety of materials, including trims, foams, fabrics and more. It has a specially designed...
      High temperature resistant up to 160°F (71°C)High bonding strength for many materials
      $17.75
    • (0 reviews)
      # 129175234
      Universal HT Silicone Coating by Design Engineering®. 12 oz. 1 Piece. The High Temperature (HT) Silicone Coating provides lasting protection for any hot surface up to 1500 degrees. DEI recommend the use of this coating with their...
      Heat protection up to 1500°FPenetrates, seals, protects and prolongs the lifespan of exhaust wrap
      $11.79 - $12.24
    • (0 reviews)
      # mpn358594818
      Universal Radiator Relief™ Additive by Design Engineering®. 16 oz. 1 Piece. Includes Rust and Corrosion Inhibitors. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      High quality at an affordable priceExpertly made from premium materials
      $10.51
    • (0 reviews)
      # mpn358594696
      Universal Heat Resistant Sealant by Design Engineering®. 3 oz. 1 Piece. Developed by Dow Corning for the extreme-duty aerospace applications, Heat Resistant Sealant bonds to almost all surfaces including fiberglass, metal, wood, rubber...
      For use with fiberglass, metal, wood, rubber, plastic & moreWithstands continuous exposure temps up to 500°F / 600°F Intermittent
      $22.04
    • (0 reviews)
      # mpn358594673
      Universal Ultra 47™ Starter Shield by Design Engineering®.
      24"L x 7"W sizeHook & loop fastening system
      $76.72
    • (0 reviews)
      # mpn358594816
      Universal Lite'N Boltz LED Polished License Plate Acorn Shape Head Lighting Kit by Design Engineering®, 2 Pieces. Material: Stainless Steel. Acorn Shape Head. LED License Plate Lighting Kits with their right-angle LED, are extremely...
      Clear epoxy covered lens offers waterproof protectionLED bolt lights turn on instantly and offer superior lighting
      $36.16
    • (0 reviews)
      # mpn358594695
      Universal Aluminized Plug Wire Sheath by Design Engineering®. Set of 4 Pieces. Aluminized Plug Wire Sheaths are constructed from high-temperature rated glass fiber material bonded to a heat reflective aluminized material. Plug Wire...
      Capable of withstanding 2000°F radiant heatInexpensive alternative for protecting ignition wires and boots
      $11.53
    • (0 reviews)
      # 342772579
      Universal Speaker Baffles by Design Engineering®, 2 Per Pack. Boom Mat speaker baffles maximize speaker performance by isolating the correct frequency responses while damping reverberation in the sheet metal and panel to frame...
      Available in sixteen (16) different sizes covering the most popular speaker sizesClosed-cell polyethylene enhances frequency response for improved sound clarity
      $10.66 - $14.22
    • (0 reviews)
      # 450486578
      Universal Custom Fit Turbo Blanket by Design Engineering®. Custom fit Turbo Shields with LR Technology provide the ultimate means of reducing turbo lag while serving as a superior heat barrier - shielding and protecting engine...
      Anchoring hooks incorporated to secure shieldCustom fit for easy install
      $201.53 - $401.57
    • (0 reviews)
      # 129175246
      Universal LED Lighted Bolts by Design Engineering®, 1 Pair. Material: Stainless Steel. 12-Volt Lighted Button Head Bolts contain two lights per package, measure 5/16” x 3/4” and are made from high grade stainless steel, polished to...
      Made from high grade stainless steel, polished to a mirror-like finishDesigned to match rigorous quality standards
      +3
      $22.37
    • (0 reviews)
      # 298282081
      Universal Lite'N Boltz LED License Plate Dome Head Lighting Kit by Design Engineering®. Material: Stainless Steel. Dome Head. LED License Plate Lighting Kits with their right-angle LED, are extremely efficient and emit a much higher...
      Clear epoxy covered lens offers waterproof protectionLED bolt lights turn on instantly and offer superior lighting
      $27.05 - $33.11
    • (0 reviews)
      # 129175251
      Universal Protect-A-Boot Sleeve by Design Engineering®. Silver. Superior Protection for Extreme Angled Plug Wire Boots. DEI Protect-A-Boot Sleeves are uniquely designed to protect spark plug boots & wires against the harmful effects of...
      Universal-fits multiple angled spark plug boots1-1/4" I.D. at both ends
      $21.65 - $75.67
    • (0 reviews)
      # 129175252
      Universal Protect-A-Boots by Design Engineering®. Protect-A-Boots are made from a high temperature resistant glass fiber material and treated with a proprietary coating, Protect-A-Boots provide spark plug boot and wire protection from...
      Double-wall construction for added durabilityHelps prevent burn-through, hardening and cracking of boots
      +2
      $18.67 - $89.96
    • (0 reviews)
      # 603950500
      Universal Cool-Tube Wire Protector by Design Engineering®. 1 Piece. Designed to provide the ultimate thermal protection from damaging heat, Cool Tube is designed to resist abrasions, contaminates, and condensation. Cool Tube is covered...
      Protects wires, cables, fuel and brake lines etc...Withstands direct heat up to 500°F
      $21.59 - $682.03
    • (0 reviews)
      # 819656088
      Universal Cool-Tape Heat Reflective Tape by Design Engineering®. 1 Piece. Cool Tape is a flexible and super strong self-adhesive thermal insulating tape capable of protecting up to 2000°F of radiant heat. Made of one mil aluminized...
      Withstands direct heat up to 400°F and 2000°F radiant heatFlexible and easy to apply
      $18.60 - $72.01
    • (0 reviews)
      # 603937889
      Universal Fire Wrap by Design Engineering®. 1 Piece. Constructed from the same material as FIRE SLEEVE™ but with the convenience of a hook & loop edge closure design. Simply wrap FIRE WRAP 3000™ around wires, cables or hoses without...
      Withstands direct heat up to 500°FProtects against oil, dirt, road grime & other contaminates
      $53.30 - $73.60
    • (0 reviews)
      # 812865736
      Universal Exhaust Wrap by Design Engineering®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      $11.07 - $198.23
    • (0 reviews)
      # 813069738
      Universal Exhaust Wrap Kit by Design Engineering®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      +1
      $31.69 - $118.41
    • (0 reviews)
      # 810783422
      Universal Silver Heat Shroud by Design Engineering®. 1/2" to 1-1/4". Heat Shroud is made from a high temperature rated glass fiber fabric with an aluminized outer facing. Same as Heat Sheath but with the added convenience of hook & loop...
      Versatility of fitting diameters 1/2" to 1-1/4"Convenient hook & loop designed edges
      $35.36 - $380.62
    • (0 reviews)
      # 302401111
      Universal Titanium Pipe Shield by Design Engineering®. Material: Titanium. Quantity: 1 Piece. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers...
      Capable of handling high temperature exposure up to 1350° FProtects heat sensitive components, hoses, lines and electrical wiring
      $36.79 - $77.84
    • (0 reviews)
      # 675999338
      Universal Silver Heat Shroud by Design Engineering®. 1/2" to 1-1/4". Heat Shroud is made from a high temperature rated glass fiber fabric with an aluminized outer facing. Same as Heat Sheath but with the added convenience of hook & loop...
      Versatility of fitting diameters 1/2" to 1-1/4"Convenient hook & loop designed edges
      $35.36 - $380.62
    • (0 reviews)
      # 603950643
      Universal Fire Sleeve and Tape Kit by Design Engineering®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      NHRA Accepted ProductsInsulates wiring, hoses, oil / brake / transmission lines & more
      $22.20 - $180.00
    • (0 reviews)
      # 781464767
      Universal Heat Screen by Design Engineering®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      $77.54 - $108.67
    • (0 reviews)
      # mpn358594806
      Universal Heat Shrink Numbered Wire Marker Set by Design Engineering®. Set of 8 Pieces. Spark Plug Wire Marker made from Plastic. Make labeling your plug wires simple and easy. DEI’s numbered wire marker sets are made from high...
      High quality at an affordable priceExpertly made from premium materials
      $10.12
    • (0 reviews)
      # 819515929
      Universal Heat Sheath by Design Engineering®. 1 Piece. Designed to slide over wires, cables and hoses, Heat Sheath provides the ultimate protection from extreme heat as well as chemical and oil spills, dirt, grease and road grime....
      Pliable for tight bendsCapable of withstanding 500°F direct / 2000°F radiant heat
      $15.11 - $245.85
    • (1 review)
      # mpn358594686
      Universal Versa-Shield by Design Engineering®.
      Withstands 500°F of direct heat/2000° radiantEdges attach to itself with hook & loop closure design
      $31.88
    • (0 reviews)
      # mpn358594724
      Universal Protect-A-Sleeve by Design Engineering®. 1 Piece. Titanium. With LR Technology. 1/2" ID x 4 FT. DEI’s new Titanium Protect-A-Sleeve™ with LR Technology™ offers the best possible sleeve protection on the market today....
      High quality at an affordable priceExpertly made from premium materials
      $27.14
    • (0 reviews)
      # mpn358594798
      Universal Silicone Protect-A-Wire Kit by Design Engineering®.
      High quality at an affordable priceExpertly made from premium materials
      $88.40




    The company’s innovations continue to be acknowledged by industry peers. In 2003, Design Engineering won the prestigious Best New Performance Racing Product award from SEMA, given for innovative achievements in design, for the introduction of revolutionary cryogenic intake system - the CryO2. Whether you want your vehicle to run faster, better, or more safely, you can trust DEI, a recognized pioneer in the automotive performance industry.

    The company is proud to offer a complete range of performance products, from DEI titanium wraps to wire and boot protection. DEI exhaust wraps are engineered to effectively reduce under-hood temperatures, increasing horsepower by improving the gas flow thanks to keeping the heat expanded longer. At Design Engineering, Inc., the customer is behind each and every decision that the company makes. The engineers look at each product they offer from their customers’ perspective, determining the right material to handle their heat and sound control needs and working directly with customers to design a solution.

    The company continues to explore methods and areas of identifying new product possibilities and manufacturing processes in order to bring new products to the aftermarket. Apart from the groundbreaking CryO2, the list of DEI's innovations includes Ny-Trex, their nitrous oxide line with a unique tri-valve solenoid system, adding n2o, purge, and fuel to a single package. Apart from offering efficient heat control products like DEI header wraps and DEI heat wrap kits, the brand also provides Boom Mat acoustical insulating material and sound deadening products and a line of Radiator Relief performance additives.

    Design Engineering Reviews

    Average rating:  5  5 - 1 review
    5 of 5
    Starter Shield
    Good quality part, good price.
    MPosted by Mike (Waterloo, IN) / December 9, 2017
    Was this review helpful for you? Yes
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