Profi-Car Ultra Protect 5 | It is an innovative, advanced, and comprehensive fuel additive product made in Germany by PROFI-CAR. This liquid is designed to be a five-in-one solution (5-in-1) to protect and clean the entire fuel and exhaust system in gasoline vehicles. PROFI-CAR ULTRA PROTECT 5 Gasoline (250 ml) The five main features (5-in-1) This enhancer is formulated to address five main aspects of engine performance and fuel system: Increase Octane Number: Works to raise the octane number in gasoline, improving combustion quality, reducing knocking/pinging, and contributing to smoother and more powerful engine operation. Clean Injection System: Effectively cleans fuel injectors, intake valves, and combustion chamber, removing carbon deposits and varnish that reduce spray efficiency and fuel flow. Protects Valve Seats: Provides protection against excessive wear of valve seats, especially in older engines or those exposed to harsh operating conditions. Protects Exhaust System: Contributes to protecting exhaust system parts from damage caused by deposits. Cleans Catalyst/Cat: Helps clean the catalytic converter from deposits, maintaining its efficiency in reducing emissions and ensuring better exhaust system performance. The benefits of use Effect on the car Performance improvement Restores lost power and torque due to dirt buildup. Fuel consumption reduction: Improving combustion efficiency and proper fuel flow leads to lower consumption. Emissions reduction: Cleaning the catalytic converter and injectors helps reduce environmental pollutants. Extends engine life: Prevents deposit buildup and corrosion, maintaining internal component safety. Smooth operation: Makes the engine run more quietly and smoothly, especially at idle. Usage instructions Quantity: The 250 ml bottle is typically designed to treat a full fuel tank. Method: Add the entire contents of the bottle to the fuel tank before refueling with gasoline to ensure proper mixing with the fuel. Recommendation: It is advised to use it regularly as part of preventive maintenance (such as every 5000 km or 10,000 km depending on need and usage type).