Design Engineering Parts

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Design Engineering
  • Exhaust Wrap
  • Exhaust Wrap; 1 ft. x 50 ft.;
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And/or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
  • Features:
    • Reduce Under Hood Temperatures a Realistic 50 Percent
    • Decreases Exhaust Density And Increases Exhaust Flow
    • Improves Horsepower
    • Withstands 1200 Degrees F Direct/2000 Degrees F Radiant
    • Added Durability And Heat Retention
    • Only Exhaust Wrap With Installation Guide Lines
  • Glass Fiber Exhaust Wraps solve the problem of extreme underhood heat and improve exhaust system performance. An important first step in reducing unwanted and power-robbing under hood heat is wrapping headers and down pipes. Less under hood radiant heat results in a cooler air charge for improved performance and keeping exhaust gases hotter within the exhaust system helps in decreasing exhaust density & increases exhaust flow. Design Engineering Stainless Steel Locking Ties are the perfect way to fasten exhaust wrap for a easy, clean and professional installation. Reduce under hood temperatures a realistic 50% Decreases exhaust density & increases exhaust flow Improves horsepower Withstands 1200°F direct/2000°F radiant Only exhaust wrap with installation guide lines Added durability and heat retention NOTE: Design Engineering HT Silicone Coating spray is highly recommended for DEI glass fiber wrap to penetrate, seal, protect and prolong the lifespan of exhaust wrap. NOTE: Wrapping of the catalytic converter is not recommended, as overheating can lead to reduced lifetime of the converter. Instead, try our Corvette Catalytic Converter Shield or create your own shield using our Floor & Tunnel Shield II(TM). Note of Caution:Wrap is not designed to be moved or removed after it has been heat cycled. After the fibers have been heated, they lose their initial flexibility. This does not reduce the thermal properties of the exhaust wrap. Be aware of this before you decide to remove the wrap. For this reason, you should avoid wrapping any flex-pipes or flex-joints.
  • Fitment Warning:
    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.

This item is not specific to any vehicle. Click here to learn more


Design Engineering
  • EXO™ Series Exhaust Wrap
  • EXO™ Series Exhaust Wrap; 1.5 in. x 10 in.; Tan;
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And/or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
  • Features:
    • Superior Abrasion Protection Built To Handle Extreme Off-Road Use
    • Dual-Layer Design/Hi-Temp Fiberglass With 304 Stainless Steel
    • Interlocking Mesh Makes Installation Much Easier
    • Pre-Wetting Roll Not Necessary For Wrapping
  • EXO Series exhaust wrap solves the problem of extreme exhaust heat in extreme environments like offroading and powersports. EXO Series exhaust wrap is designed for extreme environment use. Traditional exhaust wraps have not been able to withstand the extreme use that Off-road, Dirt track, Desert and other forms of driving have with exposure to water and dirt. The EXO Series is a dual-layer design, using a combination of hi-temp glass fiber, covered with a 304 grade stainless steel exoskeleton. This unique construction maintains high heat protection while offering superior abrasion and impact protection. Our unique Air Gap Technology keeps direct contact of the glass fiber wrap off the hot surface creating an insulating air barrier. The EXO Series exhaust wrap comes in a special 1.5 in. width, making it easy to install on any type of header, exhaust pipe or exhaust system making it perfect for high impact spot protection. In addition, the stainless steel exoskeleton locks together when overlapped keeping the wrap tight and making installation easy. Delivering outstanding looks and Rugged performance for long term durability, available in Black or Tan in either 1.5 in. x 10ft, 20ft, or 30ft rolls. NOTE: Wrapping of the catalytic converter is not recommended, as overheating can lead to reduced lifetime of the converter. Instead, try our Corvette Catalytic Converter Shield or create your own shield using our Floor & Tunnel Shield II(TM). Note of Caution:Wrap is not designed to be moved or removed after it has been heat cycled. After the fibers have been heated, they lose their initial flexibility. This does not reduce the thermal properties of the exhaust wrap. Be aware of this before you decide to remove the wrap. For this reason, you should avoid wrapping any flex-pipes or flex-joints.
  • Fitment Warning:
    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

This item is not specific to any vehicle. Click here to learn more


Design Engineering
  • Protect-A-Boot™
  • Protect-A-Boot™; 6 in.; Silver; 8 Pack;
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And/or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
  • Features:
    • Withstands 1200 Degrees F Direct Continuous Heat
    • Helps Prevent Burn-Through/Hardening And Cracking Of Boots
    • Universal-Fits Most Straight Or Angled Boots
    • Installs In Seconds
    • Double-Wall Construction For Added Durability
    • Non Flammable/Protects Against Chemicals/Resists Water
    • Reinforcement Ring For Easy Plug Removal During Maintenance
    • 8 Boots Per Pack
  • Protect-A-Boots solve the problem of burning and cracking plug boots and wires from header and engine heat. 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 extreme under hood heat and helps prevent burn-through, hardening and cracking of boots. Our 6'' Protect-A-Boots come with a reinforcement ring at the base for easy plug removal during maintenance. When working on boots with tight bends, try our Protect-A-Boots Ringless instead. For thicker boots, like MSD or Taylor's, we recommend our Protect-A-Boot(TM) Ringless Sleeves; its larger diameter will allow for a simpler install. Non-flammable & protects against chemicals & resists water Universal - fits most straight or angled boots 1 in. internal diameter Double-wall construction for added durability
  • Fitment Warning:
    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.

This item is not specific to any vehicle. Click here to learn more


Design Engineering
  • Fire Sleeve/Tape Kit™
  • Fire Sleeve/Tape Kit™; 5/8 in. Inner Diameter x 36 in.;
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And/or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
  • Features:
    • 5/8 in. x 3 ft Length Of Fire Sleeve
    • Includes 16 In. Length Of Fire Tape
    • Insulates Wiring/Hoses/Oil/Brake/Transmission Lines And More
    • Withstands 500 Degrees F Continuous/2000 Degrees F Intermittent Heat
    • Burn Protection During Under Hood Repairs And Maintenance
    • Use For Bundling And Protecting Hoses/Electrical Wiring etc.
  • Fire Sleeve solves the problem of heat and abrasions damaging fuel, transmission and brake lines and is a fireproof solution. Constructed from a high temperature resistant braided glass material, woven into a sleeve and heavily coated with 100% iron oxide silicone rubber, Fire Sleeve thermal insulator sleeve provides the ultimate in heat insulation and protection from direct heat up to 500°F. Includes a 16-inch length of black Fire Tape, an adhesive-free, self-adhering tape, to finish off ends of Fire Sleeve or when joining two Fire Sleeves together while presenting a clean and professional look. Insulates wiring, hoses, oil / brakes / transmission lines & more Use for bundling & protecting hoses, electrical wiring, etc. Withstands 2000°F of intermittent heat Includes 16 inches of black Fire Tape Size: 0.625 (5/8) inch x 36 inches Fitment Chart AN Conversion Chart AN Size Metal Tube O.D. Thread Size 2 1/8 in. 5/16 24 SAE 3 3/16 in. 3/8 24 SAE 4 1/4 in. 7/16 20 SAE 5 5/16 in. 3/8 18 SAE 6 3/8 in. 9/16 18 SAE 8 1/2 in. 3/4 16 SAE 10 5/8 in. 7/8 14 SAE 12 3/4 in. 1-1/16 12 SAE 16 1 in. 1-5/16 12 SAE 20 1-1/4 in. 1-5/8 12 SAE 24 1-1/2 in. 1-7/8 12 SAE 28 1-3/4 in. 2-1/4 12 SAE 32 2 in. 2-1/2 12 SAE Fire Sleeve Application Chart Part# Name Line Size* 10470 3/8 in. Fire Sleeve 3AN4AN6AN** 10472 5/8 in. Fire Sleeve 6AN8AN 10474 1 in. Fire Sleeve 10AN12AN16AN**5/8 in. Heater Hose3/4 in. Heater Hose *Braided Kevlar line was used in testing. You may notice a slight difference in size if you have Braided Stainless Steel lines. **Tight fit: If you have fittings on your line, you may need to order one size up. You can achieve between 1/16 in. and 1/8 in. stretch out of our material. This may help on installs with fittings already on the lines.
  • Fitment Warning:
    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.

This item is not specific to any vehicle. Click here to learn more


Design Engineering
  • Floor And Tunnel Shield™
  • Floor And Tunnel Shield™; 42 in. x 4 ft. [14.0 sq. ft.];
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And/or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
    • Width: 48.000 In. (4 Ft.)
  • Features:
    • Ideal For Firewalls/Under Vehicle/Floor Pans/Oil Tank Box/etc.
    • Blocks Radiant Heat From Entering Driver Compartment
    • Withstands Direct High Temperatures Up To 1750 Degrees
    • Serves As A Barrier To Unwanted Road/Tire And Engine Noise
    • Constructed From 10 Mil Aluminum
    • Easy To Form To Shapes And Contours
    • Aggressive Self-Adhesive Backing Holds Past 450 Degrees F
    • Adheres To Almost Any Surface/Material/Fiberglass
    • Minimum Clearance Required Only 3/16 in. Thick
    • Just Trim Peel And Stick
  • Floor & Tunnel Shield II(TM) solves the problem of needing a high heat barrier to block heat from any source intruding into interiors and damaging components and electronics. Use as a barrier to reflect and insulate from any heat source. Designed to provide the best possible heat protection in areas where high temperatures are always present and problematic, Floor annd Tunnel Shield II limits heat transfer on fire walls, transmission tunnels, floor boards, fuel cells and other areas where heat is an issue. Floor & Tunnel Shield II provides excellent light weight thermal protection, acts as a guard against track and road debris, and provides sound deadening as well. Constructed with an embossed 10 mil aluminum face bonded to 1/8 in. composite glass-fiber core and backed with a high temp super strong pressure sensitive backing, Floor and Tunnel Shield II withstands up to 1750F. The adhesive side holds past 450F. Its improved multifaceted modern aluminum surface offers improved reflection and rigidity and allows for ease of installation - aluminum side must face the heat source. At only 3/16 in. thick, this product can be shaped and trimmed for a custom fit and is ideal for minimal clearance areas. With a unique and patented finely woven glass-fiber backing, Floor and Tunnel Shield II is the easiest, most cost effective way to control thermal transfer while protecting expensive components and vehicle occupants from extreme heat situations and sound. Floor and Tunnel Shield II can be used on any number of surfaces including, metal, aluminum, carbon fiber, plastic, and more. 10 mil dimpled aluminum face Protection for engine compartments Protection for painted body parts Comfortable interior at any temperature Hi-temp adhesive for a do-it-once install Extreme heat barrier - aluminum side should face the heat Only 3/16 in. thick Use as barrier to reflect and insulate from any heat source Great for exterior applications DO NOT apply directly to exhaust components.
  • Fitment Warning:
    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.

This item is not specific to any vehicle. Click here to learn more


Design Engineering
  • Floor And Tunnel Shield™
  • Floor And Tunnel Shield™; 21 in. x 4 ft. [7.0 sq. ft.];
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And/or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
    • Width: 48.000 In. (4 Ft.)
  • Features:
    • Ideal For Firewalls/Under Vehicle/Floor Pans/Oil Tank Box/etc.
    • Blocks Radiant Heat From Entering Driver Compartment
    • Withstands Direct High Temperatures Up To 1750 Degrees
    • Serves As A Barrier To Unwanted Road/Tire And Engine Noise
    • Constructed From 10 Mil Aluminum
    • Easy To Form To Shapes And Contours
    • Aggressive Self-Adhesive Backing Holds Past 450 Degrees F
    • Adheres To Almost Any Surface/Material/Fiberglass
    • Minimum Clearance Required Only 3/16 in. Thick
    • Just Trim Peel And Stick
  • Floor & Tunnel Shield II(TM) solves the problem of needing a high heat barrier to block heat from any source intruding into interiors and damaging components and electronics. Use as a barrier to reflect and insulate from any heat source. Designed to provide the best possible heat protection in areas where high temperatures are always present and problematic, Floor annd Tunnel Shield II limits heat transfer on fire walls, transmission tunnels, floor boards, fuel cells and other areas where heat is an issue. Floor & Tunnel Shield II provides excellent light weight thermal protection, acts as a guard against track and road debris, and provides sound deadening as well. Constructed with an embossed 10 mil aluminum face bonded to 1/8 in. composite glass-fiber core and backed with a high temp super strong pressure sensitive backing, Floor and Tunnel Shield II withstands up to 1750F. The adhesive side holds past 450F. Its improved multifaceted modern aluminum surface offers improved reflection and rigidity and allows for ease of installation - aluminum side must face the heat source. At only 3/16 in. thick, this product can be shaped and trimmed for a custom fit and is ideal for minimal clearance areas. With a unique and patented finely woven glass-fiber backing, Floor and Tunnel Shield II is the easiest, most cost effective way to control thermal transfer while protecting expensive components and vehicle occupants from extreme heat situations and sound. Floor and Tunnel Shield II can be used on any number of surfaces including, metal, aluminum, carbon fiber, plastic, and more. 10 mil dimpled aluminum face Protection for engine compartments Protection for painted body parts Comfortable interior at any temperature Hi-temp adhesive for a do-it-once install Extreme heat barrier - aluminum side should face the heat Only 3/16 in. thick Use as barrier to reflect and insulate from any heat source Great for exterior applications DO NOT apply directly to exhaust components.
  • Fitment Warning:
    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.

This item is not specific to any vehicle. Click here to learn more


Design Engineering
  • Floor And Tunnel Shield™
  • Floor And Tunnel Shield™; 21 in. x 2 ft. [3.5 sq. ft.];
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And/or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
    • Overall Length: N/a
    • Width: 24.000 In. (2 Ft.)
  • Features:
    • Ideal For Firewalls/Under Vehicle/Floor Pans/Oil Tank Box/etc.
    • Blocks Radiant Heat From Entering Driver Compartment
    • Withstands Direct High Temperatures Up To 1750 Degrees
    • Serves As A Barrier To Unwanted Road/Tire And Engine Noise
    • Constructed From 10 Mil Aluminum
    • Easy To Form To Shapes And Contours
    • Aggressive Self-Adhesive Backing Holds Past 450 Degrees F
    • Adheres To Almost Any Surface/Material/Fiberglass
    • Minimum Clearance Required Only 3/16 in. Thick
    • Just Trim Peel And Stick
  • Floor & Tunnel Shield II(TM) solves the problem of needing a high heat barrier to block heat from any source intruding into interiors and damaging components and electronics. Use as a barrier to reflect and insulate from any heat source. Designed to provide the best possible heat protection in areas where high temperatures are always present and problematic, Floor annd Tunnel Shield II limits heat transfer on fire walls, transmission tunnels, floor boards, fuel cells and other areas where heat is an issue. Floor & Tunnel Shield II provides excellent light weight thermal protection, acts as a guard against track and road debris, and provides sound deadening as well. Constructed with an embossed 10 mil aluminum face bonded to 1/8 in. composite glass-fiber core and backed with a high temp super strong pressure sensitive backing, Floor and Tunnel Shield II withstands up to 1750F. The adhesive side holds past 450F. Its improved multifaceted modern aluminum surface offers improved reflection and rigidity and allows for ease of installation - aluminum side must face the heat source. At only 3/16 in. thick, this product can be shaped and trimmed for a custom fit and is ideal for minimal clearance areas. With a unique and patented finely woven glass-fiber backing, Floor and Tunnel Shield II is the easiest, most cost effective way to control thermal transfer while protecting expensive components and vehicle occupants from extreme heat situations and sound. Floor and Tunnel Shield II can be used on any number of surfaces including, metal, aluminum, carbon fiber, plastic, and more. 10 mil dimpled aluminum face Protection for engine compartments Protection for painted body parts Comfortable interior at any temperature Hi-temp adhesive for a do-it-once install Extreme heat barrier - aluminum side should face the heat Only 3/16 in. thick Use as barrier to reflect and insulate from any heat source Great for exterior applications DO NOT apply directly to exhaust components.
  • Fitment Warning:
    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.

This item is not specific to any vehicle. Click here to learn more


Design Engineering
  • Titanium Exhaust Wrap™
  • Titanium Exhaust Wrap™; 1 ft. x 15 ft.;
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And/or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
  • Features:
    • Withstands 1800 Degrees F Direct/2500 Degrees F Intermittent Heat
    • Promotes Increased Flow For Improved Performance
    • Reduces Temperature/Vibration Breakdown
    • Extremely Pliable For A Tight And Secure Wrap
    • High Resistance To Abrasions/Oil/Temperatures And Vibration
    • Hi-Tech Carbon Fiber Look
    • Pre-Wetting Roll Not Necessary For Wrapping
    • DEI HT Silicone Coating Not Required
  • DEI's ORIGINAL Titanium(TM) exhaust wrap, with LR Technology, is made from pulverized lava rock, stranded into a fiber material and woven into a proprietary weave. Titanium wrap is engineered to be stronger than most wraps and more durable for improved thermal performance and reliability. Perfect for any automotive or motorcycle application! Withstands 1800°F direct/2500°F intermittent heat Promotes increased flow for improved performance Reduces temperature & vibration breakdown Extremely pliable for a tight and secure wrap DEI HT Silicone Coating not required Pre-wetting roll not necessary for wrapping Hi-tech carbon fiber look High resistance to abrasions, oil spills, temperatures and vibration breakdown NOTE: Wrapping of the catalytic converter is not recommended, as overheating can lead to reduced lifetime of the converter. Instead, try our Corvette Catalytic Converter Shield or create your own shield using our Floor & Tunnel Shield II(TM). Note of Caution:Wrap is not designed to be moved or removed after it has been heat cycled. After the fibers have been heated, they lose their initial flexibility. This does not reduce the thermal properties of the exhaust wrap. Be aware of this before you decide to remove the wrap. For this reason, you should avoid wrapping any flex-pipes or flex-joints. Note about Titanium Exhaust Systems:DEI does NOT recommend wrapping exhausts made of titanium. The alloys used in the production of titanium exhaust systems tend to be thin and are designed to dissipate heat quickly. Wrapping any titanium exhaust pipe, regardless of brand, can hold in too much heat, and make the titanium alloy turn brittle and prone to premature cracking. If you are seeking to reduce the heat on a titanium exhaust system, DEI recommends using alternatives such as our flexible heat shields.
  • Fitment Warning:
    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.
  • Suggested Purchase Quantity: 4
    • Most jobs typically require 4 of this item.

This item is not specific to any vehicle. Click here to learn more


Design Engineering
  • Fuel Rail And Cover Kit;
  • Fuel Rail And Cover Kit
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And/or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
  • Features:
    • 6 - Fuel Injector Covers
    • 12 - OE Replacement Fuel Injector O-Rings
    • 1 - Fuel Rail Heat Cover
    • 1 - Intake Manifold Heat Shield
    • Detailed Instructions
    • Reduces Fuel Rail/Injector Fuel Temps
    • Reduces Chance Of Vapor Lock
    • Protects Injectors/Fuel Rail From Engine Heat
  • We have come up with a solution for a common heat soak & vapor lock problem in Jeep models with inline 6 engines (1997-2004). DEI's Easy to install heat protection kit reduces heat soak on the fuel rail and injectors, in turn reducing vapor lock and keeping fuel cool. Fits 1997-2004 4.0L Jeep models with inline 6 motor Reduces fuel rail & injector fuel temps Reduces chance of vapor lock Protects injectors & fuel rail from engine heat Kit includes everything you need for a complete job: 1 - Manifold heat shield 1 - Fuel rail heat cover 6 - Fuel injector covers 12 - OE replacement fuel injector O-rings

Additional Fitment Information:
Vehicle Block CC Engine CID
1997 - Jeep Cherokee L - 6 Cyl 4.0L 242

Design Engineering
  • Plug Wire Sheath™
  • Plug Wire Sheath™; 3/4 in. x 6 in.; 4 Pack; Aluminized;
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And/or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
  • Features:
    • Protection For Electrical Wires/Hoses/Cables And More
    • Capable Of Withstanding 2000 Degrees F Of Radiant Heat
    • Inexpensive Alternative For Protecting Ignition Wires And Boots
    • Easy To Install
    • 3/4 in. Diameter x 6 in. Long
    • Sold In Packs Of 4
  • Aluminum Plug Wire Sheath is 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. Protection for electrical wires, hoses, cables & more Capable of withstanding 2000°F of radiant heat Inexpensive alternative for protecting ignition wires and boots 3/4 in. diameter x 6 in. long Sold in packs of 4
  • Fitment Warning:
    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.

This item is not specific to any vehicle. Click here to learn more

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