In many people with tinnitus, the cause is not known. The ear is otherwise fine. What seems to happen is that signals are sent from the ear down the ear nerve to the hearing part of the brain. The brain interprets these signals as noise. It is not clear why these signals are sent from the ear.
Octane booster is  a product which is designed to rise the octane rating of the fuel. The main idea behind using boosters is to increase power and also vehicleâs efficiency in certain engines. These have anti knock additives which when added to fuel prevent the onset of knock (detonation or pre ignition).
The combustion of gasoline produces a high amount of heat energy and carbon dioxide and water. Additional compounds have mixed with gasoline in order to enhance its usage in engines. Hydrocarbons like isooctane or benzene and toluene are added to gasoline, to increase its octane rating. This octane number measures the ability of an engine to cause self ignition in the engine cylinders (which causes knocking).