D.E.I Thermal Tuning Products and Gear

Design Engineering, Inc. is one of the prominent suppliers of thermal tuning products for racers, street performance enthusiasts, and hobbyists alike. DEI has recently celebrated its 20 year anniversary, and in this time, Design Engineering has experienced multiple facility relocations and expansions in order to meet the ever growing business demands of its consumers, with a strong emphasis on sourcing and manufacturing in the United States.

D.E.I's dedication to innovation and industry participation continues to be recognized by industry peers, and has been the receiver of multiple product awards. Their success is also recognized in the partnerships with award winning bike builders, and custom shops. D.E.I continues to push the technical limits by working alongside top tier racing programs in both street and offroad racing.

D.E.I offers a complete line of heat and sound control products; from exhaust wrap to specialty one off parts, D.E.I can be sure to cover all your heat and sound control needs.



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D.E.I. 50026
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D.E.I. 50026

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$203.49

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$176.95

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D.E.I. 50023
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D.E.I. 50023

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$202.56

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$176.14

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D.E.I. 50022
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D.E.I. 50022

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$164.98

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$143.46

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D.E.I. 10378
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D.E.I. 10378 Intake Manifold Heat Shields and Insulator

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$76.30

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$66.35

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D.E.I. 50299
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D.E.I. 50299

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$53.43

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$46.46

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D.E.I. 50300
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D.E.I. 50300

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$43.15

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$37.52

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D.E.I. 10077
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D.E.I. 10077

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$41.03

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$35.68

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D.E.I. 10075
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D.E.I. 10075

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$38.01

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$33.05

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D.E.I. 10039
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D.E.I. 10039

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$29.46

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$25.62

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D.E.I. 010390
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D.E.I. 010390 Reflect-A-GOLD Roll

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$4,241.36

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$3,688.14

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D.E.I. 110042
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DEI 110042 Nitrous Trans-Fill System

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$2,170.74

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$1,887.60

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D.E.I. 110040
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DEI 110040 Nitrous Pump

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$1,259.99

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$1,095.64

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D.E.I. 110022
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D.E.I. 110022

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$1,124.75

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$978.04

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D.E.I. 110021
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DEI 110021 Ny-Trex Split-Shot Wet Nitrous System

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$1,124.75

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$978.04

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D.E.I. 110023
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D.E.I. 110023

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$1,088.52

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$946.54

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D.E.I. 110028
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DEI 110028 Triple-Threat EFI Wet Nitrous System for Camaro V6

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$1,009.91

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$878.18

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D.E.I. 110029
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D.E.I. 110029

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$956.14

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$831.43

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D.E.I. 090800
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D.E.I. 090800

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$942.40

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$819.48

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D.E.I. 110038
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DEI 110038 Big-Diesel Dry Nitrous System with CryO2 Technology

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$938.35

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$815.96

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D.E.I. 090802
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D.E.I. 090802

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$927.68

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$806.68

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D.E.I. 110025
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D.E.I. 110025

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$921.38

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$801.20

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D.E.I. 110026
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D.E.I. 110026

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$921.38

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$801.20

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D.E.I. 110027
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D.E.I. 110027

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$915.92

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$796.45

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D.E.I. 090801
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D.E.I. 090801

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$868.93

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$755.59

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D.E.I. 010152
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D.E.I. 010152 Sport Compact Plan-O-Gram

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$826.16

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