DEI

DEI

Design Engineering, Inc.™ (DEI) are the foremost suppliers of sound management and thermal tuning products for performance racers, street performance enthusiasts, and hobbyists alike.

In addition to supplying the performance aftermarket with a range of thermal tuning products, Design Engineering caters to the needs of the marine, powersports, industrial and commercial industry markets the world over with great products such as the Boom Mat, Water Wetter and Reflective tape and shields.


Price Match Guarantee!
If you find any DEI product cheaper anywhere else, call us on 01727 827717 and we'll price match for you. 
Terms: Price matches may only be honored on identical items. We reserve the right to disallow any price match as we see fit.

Reflect-A-GOLD Sheet
Highly effective material for firewalls, fuel cells, engine covers, under hoods, engine compartment, bulk heads, seat bottoms “ anything or area that needs protection from heat. For firewal..
Highly effective material for firewalls, fuel cells, engine cove...
£34.22 Ex Tax: £28.52
Reflect-A-GOLD Tape
Highly effective material for firewalls, fuel cells, engine covers, under hoods, engine compartment, bulk heads, seat bottoms “ anything or area that needs protection from heat. For firewal..
Highly effective material for firewalls, fuel cells, engine cove...
£56.24 Ex Tax: £46.87
Speaker Baffles
Available in sixteen (16) different sizes covering the most popular speaker sizes Closed-cell polyethylene enhances frequency response for improved sound clarity Easy conformability..
Available in sixteen (16) different sizes covering the most ...
£15.19 Ex Tax: £12.66
Speed Sleeves - Exhaust Wrap Jackets
Speed Sleeves or Exhaust Wrap Jackets provide everything you need to cover and protect primary exhaust header pipes. An alternative to wrapping complete headers and ideal for spot protection f..
Speed Sleeves or Exhaust Wrap Jackets provide everything yo...
£137.60 Ex Tax: £114.67
Stainless Steel Locking Ties
These Stainless Steel Locking Ties are perfect for securing wrap to pipes with it's self-locking design. Locking Ties offer many other uses including bundling wires, hoses, and other forms of insul..
These Stainless Steel Locking Ties are perfect for securing wrap...
£16.79 Ex Tax: £13.99
Titanium Exhaust Wrap
The DEI Titanium exhaust wrap, with LR Technology, is made from pulverised lava rock and stranded into a fibre material and woven into a proprietary weave. Titanium wrap from DEI is engineered to b..
The DEI Titanium exhaust wrap, with LR Technology, is made from ...
£26.40 Ex Tax: £22.00
Titanium T3 Turbo Shield
Made from pulverised volcanic rock then strained into a fibre material, The Titanium T3 Turbo Shields can withstand direct heat up to 1800 F and 2500 F of radiant heat. This means retaining more he..
Made from pulverised volcanic rock then strained into a fibre ma...
£289.91 Ex Tax: £241.59
Titanium T4 Turbo Shield
Made from pulverised volcanic rock then strained into a fibre material, the Titanium T4 Turbo Shields can withstand direct heat up to 1800 F and 2500 F radiant heat. This means retaining more heat ..
Made from pulverised volcanic rock then strained into a fibre ma...
£343.18 Ex Tax: £285.98
Universal Turbo Insulation Kit
Turbo Insulation Kits are designed to fit all turbochargers to reduce turbo lag and underhood temperatures allowing for a cooler air charge for more horsepower while protecting engine components fr..
Turbo Insulation Kits are designed to fit all turbochargers to r...
£173.62 Ex Tax: £144.68
Versa-Shield Universal Heat Shield 7" x 24"
The 7" x 24" Versa-Shield Universal Heat Shield was designed to protect starters from potential failure caused by under hood heat soak conditions. Constructed using an aluminised heat reflective ma..
The 7" x 24" Versa-Shield Universal Heat Shield was designed to ...
£55.03 Ex Tax: £45.86
Reflect-a-Cool Tape
Reflect-a-Cool Tape offers a flexible, easy to apply solution to reflect heat away from important components. Can be used to wrap wire and hoses, or to cover seams. Withstands 1000°C of rad..
Reflect-a-Cool Tape offers a flexible, easy to apply solution to...
£29.81 Ex Tax: £24.84
Exhaust Wrap
The wrapping of headers and down pipes is an essential first step in reducing unwanted and power-stealing under hood heating. The lesser the under hood heat, the better the results in a cooler air ..
The wrapping of headers and down pipes is an essential first ste...
£16.44 Ex Tax: £13.70
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