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171 products

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Boom Mat Spray-On  by DEI - Modern Automotive Performance
$10.99 $15.71
DEI Boom Mat Spray-On (050220)
Save 30% In Stock
Design Engineering Black Titanium Exhaust Wrap (10002/3/4/5)
Design Engineering Black Titanium Exhaust Wrap (10002/3/4/5)
Save 34% In Stock
Cell Saver - Battery Insulation Kit  by DEI - Modern Automotive Performance
Save 34%
DEI Exhaust Wrap - Black - 2" wide x 15' Roll (010121)
Save 34% In Stock
DEI Heat Shroud GOLD (010458)
$39.99 $60.10
DEI Heat Shroud GOLD (010458)
Save 33% In Stock
DEI Ultra 47 Tri-Layer Turbo Shield | T3 Turbos (010174)
DEI Ultra 47 Tri-Layer Turbo Shield | T3 Turbos (010174)
Save 34% In Stock
DEI Titanium Turbo Shield Kits | T4 Turbos (010145)
DEI Titanium Turbo Shield Kits | T4 Turbos (010145)
Save 34% In Stock
DEI Exhaust Wrap - Black - 1" wide x 15' Roll (010120)
Save 28% In Stock
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)
Save 34% In Stock
Exhaust Wrap - Black - 2" wide x 50' roll by DEI - Modern Automotive Performance
Save 34% In Stock
Cool Cover - Air Tube Cover Kit  by DEI - Modern Automotive Performance
Save 34%
Radiator Relief 16oz.  by DEI - Modern Automotive Performance
Save 30% In Stock
Dyno Strap Heat Guard  by DEI - Modern Automotive Performance
$25.99 $38.80
Dyno Strap Heat Guard by DEI
Save 33% In Stock
DEI Heat Shield for Exhaust Piping (010452)
Titanium Pipe Shield - Exhaust Heat Shield  by DEI - Modern Automotive Performance
Save 34%
DEI Door Damping Kit | 1990-2005 Mazda Miata (50296)
Save 33% 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

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DEI is one of the foremost suppliers of thermal tuning products featuring products for racers, street performance enthusiasts, and hobbyists alike.