Garage Mak Revolution Air Leak Tester

It supports diameters up to 60-70-80 pies.
For more than that, please use a hose with a small diameter.
Air pressure leaks from pipes in vehicles equipped with airflow often cause symptoms such as poor fuel efficiency (black smoke), engine malfunction, and unstable idling.
In particular, pressure leaks in tuning cars are a great enemy. It is indispensable for normal maintenance before setting. When using the product, it is recommended to perform regular maintenance along with regular maintenance. (Especially before hard driving such as circuit driving) ECU will inject fuel for the amount of air sucked into the airflow. However, if the air is lost in the middle of the pipe, the fuel will become thicker (rich state) and the malfunction symptoms described above will appear.

For more details please go through the below link...
Garage Mak Revolution Air Leak Tester