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63 of 175 products

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Cell Saver - Battery Insulation Kit by DEI - Modern Automotive Performance
$20.99 $31.85
Cell Saver - Battery Insulation Kit by DEI
Save 34% In Stock
Boom Mat Spray-On by DEI - Modern Automotive Performance
$10.99 $15.71
DEI Boom Mat Spray-On (050220)
Save 30% In Stock
DEI Exhaust Wrap - Black - 1" wide x 15' Roll (010120)
$9.99 $13.89
DEI Exhaust Wrap - Black - 1" wide x 15' Roll (010120)
Save 28% In Stock
Design Engineering Easy Loom™ Split Wire Sleeve (010650)
Starting At $17.99
Design Engineering Easy Loom™ Split Wire Sleeve (010650)
Save 34% In Stock
DEI Easy Loom Master Kit (010663)
$102.99 $156.63

DEI Easy Loom Master Kit (010663)
Save 34% In Stock
DEI Titanium Turbo Shield Kits | T3 Turbos (010141)
DEI Titanium Turbo Shield Kits | T3 Turbos (010141)
Starting At $204.99

DEI Titanium Turbo Shield Kits | T3 Turbos (010141)
Save 34% In Stock
Radiator Relief 16oz. by DEI - Modern Automotive Performance
$6.99 $9.97
DEI Radiator Relief 16oz. (040200)
Save 30% In Stock
DEI Oil Filter Heat Shields (010740/1)
DEI Oil Filter Heat Shields (010740/1)
Starting At $5.99
DEI Oil Filter Heat Shields (010740/1)
Save 32% In Stock
DEI ONYX Series Thermal Turbo Shield Kits | T4 Turbos (010182)
DEI ONYX Series Thermal Turbo Shield Kits | T4 Turbos (010182)
Starting At $268.99

DEI ONYX Series Thermal Turbo Shield Kits | T4 Turbos (010182)
Save 34% In Stock
DEI ONYX Series Thermal Turbo Shield Kits | T3 Turbos (010180)
DEI ONYX Series Thermal Turbo Shield Kits | T3 Turbos (010180)
Starting At $216.99

DEI ONYX Series Thermal Turbo Shield Kits | T3 Turbos (010180)
Save 34% In Stock
DEI ONYX Series Thermal Pipe Shield (010496)
DEI ONYX Series Thermal Pipe Shield (010496)
$38.99 $59.17

DEI ONYX Series Thermal Pipe Shield (010496)
Save 34% In Stock
Exhaust Wrap - Black - 2" wide x 50' roll by DEI - Modern Automotive Performance
$28.99 $44.02
DEI Exhaust Wrap - Black - 1" wide x 50' Roll (010107)
Save 34% In Stock
DEI Custom Fit T25/T28 Titanium Turbo Shield | (010148/9) - Modern Automotive Performance - 1
T25/T28
Starting At $205.99

DEI Custom Fit T25/T28 Titanium Turbo Shield (010148/9)
Save 34% In Stock
Exhaust Wrap - Tan - 2" wide x 50' roll by DEI - Modern Automotive Performance
$26.99 $39.67
DEI Exhaust Wrap - Tan - 1" wide x 50' Roll (010101)
Save 32% In Stock
DEI Aluminized Plug Wire Sheath (010409)
$10.99 $16.08
DEI Aluminized Plug Wire Sheath (010409)
Save 32% In Stock
Fire Tape / Self Vulcanizing by DEI - Modern Automotive Performance
$35.99 $54.50

Fire Tape / Self Vulcanizing by DEI
Save 34% In Stock
Heat Screen by DEI - Modern Automotive Performance
$70.99 $107.80

Heat Screen by DEI
Save 34% In Stock
Speed Tape - Checker-board by DEI - Modern Automotive Performance
$10.99 $15.72
Speed Tape - Checker-board by DEI
Save 30% In Stock
DEI Door Damping Kit | 1990-2005 Mazda Miata (50296)
$16.99 $25.54
DEI Door Damping Kit | 1990-2005 Mazda Miata (50296)
Save 33% In Stock
DEI Muffler Shield Kit (10529)
$56.99 $86.05

DEI Muffler Shield Kit (10529)
Save 34% In Stock
Design Engineering Heat Screen GOLD™ (010913/19)
Starting At $69.99

Design Engineering Heat Screen GOLD™ (010913/19)
Save 34% In Stock
Design Engineering, INC. Titanium™ Protect-A-Sleeve (10475/82/83)
Design Engineering, INC. Titanium™ Protect-A-Sleeve (10475/82/83)
Starting At $21.99
Design Engineering, INC. Titanium™ Protect-A-Sleeve (10475/82/83)
Save 33% In Stock
DEI is one of the foremost suppliers of thermal tuning products featuring products for racers, street performance enthusiasts, and hobbyists alike.