DEI is a pioneer in the automotive performance industry. Whether you're trying to make your ride run faster, better, more safely, or just trick it out, we've got the gear to make your ride rock!

As low as $24.86
CryO²™ bottles and accessories are precision made from the finest materials then meticulously tested to perform at the highest level possible.
$129.64
Now there's a way to control the flow of CO₂ with a separate On and Off cryogenic Adjustable Timer Switch. Each control can be set from two tenths of a second up to 20 seconds offering numerous duration settings. Depending on the selected settings, a 10...
As low as $197.65
The CryO²™ patented* Air Intake consists of an aerodynamically designed bulb with a cryogenic chamber which is mounted in a short segment of air tube. Air is cooled as it passes over the bulb, resulting in a cooler, denser, more powerful...
$11.22
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...
As low as $144.36
An all-in-one kit for wrapping a set of headers or motorcycle pipes. Automotive kit includes two 2” x 50ft rolls of exhaust wrap one can of HT Silicone Coating & Locking Ties. The header wrap kit is enough for any set of V8 headers. The Header Wrap...
As low as $11.73
Wrapping headers and down pipes is an important first step in reducing unwanted and power-robbing under hood heat. Less under hood heat results in a cooler air charge for improved performance and keeping exhaust gases hotter within the exhaust system...
As low as $25.04
Black Titanium Exhaust Wrap, with LR Technology, is made from pulverized lava rock, stranded into a fiber material then woven into a proprietary weave. Black Titanium wrap is engineered to be stronger than most wraps and more durable for improved thermal...
$117.98
DEI Under Hood™ Thermal Acoustic Lining was designed primarily for the engine compartment as a way to greatly reduce heat and noise with an easy peel and stick product anyone can install. Engine heat and noise often is a problem with today's...
As low as $26.02
Stainless Steel braided lines with Teflon core. -4 AN f 1/8 NPT m Lines are female to male 080201 - 14ft line is female to female
$28.18
Batteries are very susceptible to heat and vibration that could cause premature failure and hazardous leaks. Cell Saver™ is very capable of damping vibration and will absorb and neutralize any damaging leaky battery acids. Cell Saver™ is easy...
$9.97
Chill Charger for water-to-air intercoolers maximizes thermal transfer to lower air intake temperatures while also protecting core corrosion, electrolysis and harmful mineral build up. By effectively transferring water that circulates through the...
$80.39
Cool Cover is designed to prevent air tubes from becoming heat sinks. Made of heat treated glass fiber with a reflective coating, Cool Cover will reflect radiant heat from air tubes and promotes a cooler, denser, more powerful air charge. With a unique...
$86.06
High temperature Metalized Polyimide lamination, bonded to a robust 20 oz. heat treated glass fiber base material, Cool Cover GOLD™ will reflect radiant heat from air tubes and promotes cooler, denser, more powerful air charge. With a unique full...
As low as $19.73
Cool Tape™ is a flexible and super strong self-adhesive thermal insulating tape capable of protecting up to 2000°F of radiant heat. Made of one mil aluminized material bonded to a woven glass fiber heat resistant matting, Cool Tape™ is a...
As low as $15.42
Able to reflect continuous heat up to 750°F while offering a quality profession look, Cool Tube Extreme™ is flexible enough to conform to tight bends and provide superior protection against extreme under hood temperatures, weather conditions...
As low as $35.93
Designed to provide the ultimate thermal protection from damaging heat, Cool Tube™ is designed to resist abrasions, contaminates, and condensation. Cool Tube™ is covered with a heat resistant glass fiber fabric and pre-slit lengthwise...
As low as $532.05
CryO²™ is a revolutionary product designed to reduce air and fuel temperatures thus creating power. Through the science of aerodynamics and cryogenics, Design Engineering has developed a system to harness the cryogenic properties of liquid...
As low as $96.19
The CryO²™ Fuel Bar is a billet aluminum extension to the fuel line with a cryogenic chamber. The bar is charged with liquid CO₂ and freezes to -80°F. Heat is removed from the fuel as it passes through resulting in a colder denser fuel...
As low as $36.17
Advanced Thermal-Acoustic insulation designed for under head liners, doors, package trays and other areas. Extremely light weight and pliable D-Mat is the perfect choice for these areas. At only 12MM thick, compressible and pliable, D-Mat can be used in...
$34.33
Protects Dynamometer tie-down straps from burn-through caused by exhaust exit heat Made of a hi-temp resistant aluminized mylar material Withstands 500°F direct / 2000°F radiant heat Easily slips over dyno tie down straps 36" long x 5"...