DEI

225 products

225 products
ON SALE
DEI Fuel Rail and Injector Cover Kit - Jeep 4.0L 1997-2004
DEI Fuel Rail and Injector Cover Kit - Jeep 4.0L 1997-2004
DEI
ON SALE
DEI Heat Shield Kit - Honda Pioneer 1000 (2015-2021)
DEI Heat Shield Kit - Honda Pioneer 1000 (2015-2021)
DEI
ON SALE
DEI ATAC Thermal Acoustic Coating - 1 Gallon
DEI ATAC Thermal Acoustic Coating - 1 Gallon
DEI
ON SALE
DEI HT Silicone Coating Aluminum 12oz Aerosol
DEI HT Silicone Coating Aluminum 12oz Aerosol
DEI
ON SALE
DEI Roof Insulation Kit - Polaris Xpedition XP5 4-Door
DEI Roof Insulation Kit - Polaris Xpedition XP5 4-Door
DEI
ON SALE
DEI Exhaust Wrap 2in x 25ft - Tan
DEI Exhaust Wrap 2in x 25ft - Tan
DEI
ON SALE
DEI Heat Screen 36in x 40in - Mylar Radiant Glass Fiber Matting (Non-Adhesive)
DEI Heat Screen 36in x 40in - Mylar Radiant Glass Fiber Matting (Non-Adhesive)
DEI
ON SALE
DEI Complete Heat Control Kit - Polaris RZR XP 1000/XP Turbo/Turbo S 2014-2022
DEI Complete Heat Control Kit - Polaris RZR XP 1000/XP Turbo/Turbo S 2014-2022
DEI
ON SALE
DEI Pre-Cut Under Hood Insulation Kit - Chevrolet Nova 66-67
DEI Pre-Cut Under Hood Insulation Kit - Chevrolet Nova 66-67
DEI
ON SALE
DEI Boom Mat Headliner Gray 3-Piece - Jeep Wrangler JK 2-Door
DEI Boom Mat Headliner Gray 3-Piece - Jeep Wrangler JK 2-Door
DEI
ON SALE
DEI Heat Sheath - 3/4in I.D. x 50ft Spool
DEI Heat Sheath - 3/4in I.D. x 50ft Spool
DEI
ON SALE
DEI XL Damping Material 12.5in x 24in x 4mm (Sound Deadener)
DEI XL Damping Material 12.5in x 24in x 4mm (Sound Deadener)
DEI
ON SALE
DEI Installation Roller - 2 inch Hard Maple
DEI Installation Roller - 2 inch Hard Maple
DEI
ON SALE
DEI Wire Markers Numbered 1-8 (8pc) - Black
DEI Wire Markers Numbered 1-8 (8pc) - Black
DEI
ON SALE
DEI Heat Sheath - 1-1/4in I.D. x 50ft Spool
DEI Heat Sheath - 1-1/4in I.D. x 50ft Spool
DEI
ON SALE
DEI 24-26 Polaris Xpedition ADV 4-Door Floor Mat Set - 3 Piece
DEI 24-26 Polaris Xpedition ADV 4-Door Floor Mat Set - 3 Piece
DEI
ON SALE
DEI Hub and Rotor Cover Heat Shield
DEI Hub and Rotor Cover Heat Shield
DEI
ON SALE
DEI Roof Insulation Kit - Polaris Xpedition ADV 4-Door
DEI Roof Insulation Kit - Polaris Xpedition ADV 4-Door
DEI
ON SALE
DEI 24-26 Polaris Xpedition ADV 2-Door Floor Mat Set - 2 Piece
DEI 24-26 Polaris Xpedition ADV 2-Door Floor Mat Set - 2 Piece
DEI
ON SALE
DEI Sound Control Kit - Polaris Xpedition ADV 4-Door
DEI Sound Control Kit - Polaris Xpedition ADV 4-Door
DEI
ON SALE
DEI Motorcycle Seat Shade - Hooks, Straps & Bag
DEI Motorcycle Seat Shade - Hooks, Straps & Bag
DEI
ON SALE
DEI Lokjaw Locking Ties - 14in
DEI Lokjaw Locking Ties - 14in
DEI
ON SALE
DEI Lokjaw Locking Ties - 8in
DEI Lokjaw Locking Ties - 8in
DEI
ON SALE
DEI Heat Sheath - 2in I.D. x 50ft Spool
DEI Heat Sheath - 2in I.D. x 50ft Spool
DEI
ON SALE
DEI Roof Insulation Kit - Polaris Xpedition ADV 2-Door
DEI Roof Insulation Kit - Polaris Xpedition ADV 2-Door
DEI
ON SALE
DEI Sound Control Kit - Polaris Xpedition ADV 2-Door
DEI Sound Control Kit - Polaris Xpedition ADV 2-Door
DEI
ON SALE
DEI Boom Mat Acoustic Tiles - 17 sq ft - 8 Pack (Universal)
DEI Boom Mat Acoustic Tiles - 17 sq ft - 8 Pack (Universal)
DEI
ON SALE
DEI Boom Mat Acoustic Tiles - 8.5 sq ft - 4 Pack (Universal)
DEI Boom Mat Acoustic Tiles - 8.5 sq ft - 4 Pack (Universal)
DEI
ON SALE
DEI Boom Mat Acoustic Tiles - 4.25 sq ft - 2 Pack (Universal)
DEI Boom Mat Acoustic Tiles - 4.25 sq ft - 2 Pack (Universal)
DEI
ON SALE
DEI Transmission Pan Heat Shield - Jeep JK (42RLE 4-Speed)
DEI Transmission Pan Heat Shield - Jeep JK (42RLE 4-Speed)
DEI
ON SALE
DEI Transmission Pan Heat Shield - Jeep JK (W5A580 5-Speed)
DEI Transmission Pan Heat Shield - Jeep JK (W5A580 5-Speed)
DEI
ON SALE
DEI Transmission Pan Heat Shield - Jeep JL (850RE 8-Speed)
DEI Transmission Pan Heat Shield - Jeep JL (850RE 8-Speed)
DEI
ON SALE
DEI Adapt-A-Shield XT - Formable Heat Barrier Sheet - 12in x 17.5in
DEI Adapt-A-Shield XT - Formable Heat Barrier Sheet - 12in x 17.5in
DEI
ON SALE
DEI Boom Mat Speaker Baffles 6.5 inch Round - Pair
DEI Boom Mat Speaker Baffles 6.5 inch Round - Pair
DEI
ON SALE
DEI Protect-A-Boot and Wire Kit - 8 Cylinder - Titanium
DEI Protect-A-Boot and Wire Kit - 8 Cylinder - Titanium
DEI
ON SALE
DEI Reflect-A-Cool - 12in x 12in Sheet
DEI Reflect-A-Cool - 12in x 12in Sheet
DEI
ON SALE
DEI Speed Tape - 2in x 45ft Checkerboard Roll
DEI Speed Tape - 2in x 45ft Checkerboard Roll
DEI
ON SALE
DEI Boom Mat Damping Material - 12in x 12.5in (2mm) - 2 Sheets (2.1 sq ft)
DEI Boom Mat Damping Material - 12in x 12.5in (2mm) - 2 Sheets (2.1 sq ft)
DEI
ON SALE
DEI RFI Wire Mesh Shield Tape - 1in x 25ft
DEI RFI Wire Mesh Shield Tape - 1in x 25ft
DEI
ON SALE
DEI Exhaust Wrap 2in x 15ft - Tan
DEI Exhaust Wrap 2in x 15ft - Tan
DEI

DEI Exhaust Wrap, Heat Shields & Thermal Protection

Design Engineering Inc. (DEI) is the industry leader in thermal management and heat protection, engineering exhaust wrap, heat shields, and thermal barriers used by NASCAR teams, off-road racers, and high-performance street builders. With a complete catalog of thermal solutions, DEI helps reduce under-hood temperatures, protect components, and improve performance.

OneFastShop carries the full DEI product line including Titanium and Black Titanium exhaust wrap, header wrap, Reflect-A-Cool and Reflect-A-Gold heat shielding, Cool-Tape and Cool-Cover, Floor & Tunnel Shield, Form-A-Shield, fire sleeves, hose protection, turbo blankets, downpipe shields, intake heat shields, and complete thermal protection kits.

As an authorized DEI dealer, OneFastShop ships only 100% genuine Design Engineering products backed by the manufacturer warranty. Whether you're protecting paint from header heat, dropping intake temps, or shielding sensitive electronics, DEI delivers proven thermal protection. Shop the full DEI collection today.
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