A def delete kit is a type of product that helps to remove excess diesel exhaust fluid (DEF) from vehicles. The process begins with the installation of a DEF removal system, which attaches directly to the vehicle's exhaust pipe and captures all the DEF that would normally be released into the atmosphere. Once this system is installed, it can then be used to safely collect and dispose of any leftover DEF in an appropriate manner. This ensures that no harmful emissions are released into the environment, while also reducing maintenance costs associated with regularly replacing contaminated DEF tanks or other components. Additionally, since most modern diesel engines require some amount of DEF in order to function properly, using a def delete kit can help prolong the life of these engines by ensuring they only receive clean fuel when necessary.