STP Complete Fuel System Cleaner deeply cleans and removes harmful deposits from your engine in one treatment. Using regular gasoline can cause your engine to form harsh deposits that can lead to reduced performance and efficiency.  It’s advanced formula has 2X the amount of cleaning agents vs. leading premium gasoline. STP Complete Fuel System Cleaner helps to restore performance, remove deposits, inhibit corrosion and save gas. Add STP Complete Fuel System Cleaner to your vehicle's fuel tank during every oil change or every 6500km. One bottle treats up to 79 liters. It is safe to use in any gasoline engine, including turbo, direct injection and hybrid. Its 5 star recommendations by the customers present the proven quality. STP Complete Fuel System Cleaner protects and cleans your engine from harmful deposits in one treatment. Available at... Canadian Tire