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Design Engineering Products

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Design Engineering, Inc. is one of the foremost suppliers of thermal tuning product featuring products for racers, street performance enthusiasts, and hobbyists alike with the DEI titanium exhaust wrap. In addition to supplying the performance aftermarket with thermal tuning products, Design Engineering serves the needs of the powersports, marine, industrial and commercial industry markets the world over.

Design Engineering

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    Radiator Relief™ supercharges your radiator by transferring heat more efficiently through the radiator. Similar to the original formula this proven coolant additive will reduce your operating temperature up to 30°F reducing engine wear that occurs during extreme use.

    Radiator Relief™ is also formulated with a corrosion inhibitor that reduces mineral deposits. This is the first additive that maintains pH levels that otherwise fluctuate over time resulting in core damage.

    • Reduces engine temperature up to 30˚F
    • Includes anti-foaming agent
    • Formulated with a corrosion inhibitor
    • No mixing required; just add to cooling system!
    • Reduces pre-existing scale build-up
    • Safe with all alloys
    • Compatible with water and all types of anti-freeze products
    • 100% Biodegradable, Non-Corrosive and Non-Toxic Additive
    • For use in all water cooled engines

    Radiator Relief Frequently Asked Questions (PDF)

    Learn more about how cooling systems work with proper coolant mixture and additives by reading our tech article. Cooling System Principles.  

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    $10.67 $8.99
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    Reduce unwanted road noise and deaden vibrations in hard to reach places with Boom Mat's new Spray On sound deadener. Works perfect for trunk interiors, fender wells, undercarriage, body panels, rear quarters, inside door panels, and many more. Boom Mat Spray On also works as a thermal barrier to insulate against unwanted heat. Will eliminate any unwanted sound, vibration, or heat in any vehicle!
    • Reduce unwanted road noise and vibration
    • Won't crack or chip
    • Can be applied in multiple layers
    • Helps prevent rust
    • Paintable in 6 hours
    • Single can will cover approximately 20 sq. ft.
    • Handles temperatures up to 300 F
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                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 closure design  along the open edges. Without the need of removing one end of connected  wires, cables and hoses, simply wrap Heat Shroud around whatever needs  protection and close edges. 
    • Versatility of fitting diameters ½” to 1-1/4”
    • Protects hoses, cables, fuel and brake lines against heat
    • Convenient hook & loop designed edges
    • Withstands 500°F direct continuous/2000°F radiant heat
    • No need to remove wires and hoses
    • Easily trimed to length
    • Fireproof
    • 1⁄2” to 1-1/4” diameters x 3 foot length
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    Available in five different colors, these LED stainless steel button head bolts can be used for anything imaginable. These can be used on the interior or exterior and are compact enough to put anywhere. Sold per pair and have 5/16"-18 x 3/4" threads. 12 volt. Has a 9/16" O.D.

    Useful as:

    • Map and gauge lights
    • Indicator signals
    • Step illumination
    • Engine compartment lighting
    • Running boards
    • Truck bed rails
    • Dashboard accent lights

    Product FAQ's (PDF)

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    To get the most out of your speakers use these speaker baffles from Boom Mat. They isolate the correct frequency responses while damping reverberation in the sheet metal and panel to frame resonance. This maximizes the performance of your speakers. Boom mats speaker baffles also conform into tight spaces for a professional installation to prevent sounds from moving to unwanted areas like the door panels.

    • 6" x 9" Oval
    • 4-1/2" Depth
    • 10-1/2" Width x 7-3/4" Height
    • Available in 16 different sizes covering the most popular speaker sizes
    • Maximize speaker performance by isolation the correct frequency responses
    • Dampen vibration in sheet metal and panel-to-frame resonance
    • Forms a water tight protective shell to prevent moisture intrusion
    • Improved sound quality
    • Closed cell polyethylene construction
     
     
    Learn more about identifying and solving vehicle noise issues by reading Boom Mat's tech article. Science of Noise. 
     
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    Seal metal-on-metal gaps up to .050" in size with Spa Turbo Gasket Eliminator. It is a grey anaerobic paste that was developed for the turbo market and after curing is able to withstand high temperatures, high pressure, vibration, and moisture. Gasket Eliminator and Flange Sealant is a product your garage should never be without. It will help complete all projects on time and protect against all kinds of unseen problems that may arise.
    • Seals metal on metal gaps up to 0.050”
    • Cures within 3-4 minutes
    • Bonds to steel, aluminum, brass, and other alloys
    • Form-in-place gasket flexibility
    • Not model-specific; use on all vehicle makes and models
    • Suitable replacement for misplaced or lost exhaust gaskets
    • Head to Exhaust Manifold
    • Manifold to Turbine Housing
    • Manifold to Wastegate
    • Turbine Housing to Downpipe
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    This exhaust wrap by Design Engineering, Inc. is made from pulverized lava rock and can stand 1800 degrees directly or 2500 degrees indirectly. Perfect for those extreme conditions and you don't need to use any spray-on coatings with it. Resists abrasion for longer life.

    • Constructed from pulverized lava rock - titanium-like strength and toughness
    • Reduces underhood temps resulting in cooler air intake for improved performance 
    • Able to handle 25% more heat than conventional wrap
    • Capable of handling more heat than any other wrap found in the market today
    • It’s pliable - no need to wet the wrap when wrapping tubing
    • Will not shrink
    • More resistant to temperature/vibration break-down, abrasions, chemical and hot oil spills
    • Very cool carbon fiber look

    Works best on Stainless Steel headers.

    Instruction Sheet (PDF)

    Frequently Asked Questions (PDF)

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                Aluminized Plug Wire Sheaths are  constructed from high-temperature rated glass fiber material bonded to a  heat reflective aluminized material. Plug Wire Sheaths are an  inexpensive alternative for protecting specific areas on both ignition  wire and boot locations from damaging heat generating sources. 
    • Capable of withstanding 2000°F radiant heat
    • Inexpensive alternative for protecting ignition wires and boots
    • Other uses include protecting electrical wiring, harnesses, hoses, cables & more
    • Easy to install
    • 3/4" diameter x 6" long
    • 4 to a pack
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