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The Liqui Moly Catalytic-System Clean is a specialised fuel additive formulated to help clean and revitalise the catalytic converter and the exhaust after-treatment system. Its advanced formula works to dissolve and remove soot, combustion residues, and harmful deposits that can accumulate on catalyst surfaces — helping improve exhaust flow, reduce emissions, and support smoother engine performance.
Supplied in a convenient 300 ml bottle (part number 7110), this cleaner is ideal for use during routine maintenance, prior to emissions testing, or whenever catalytic efficiency and engine breathing can benefit from improved exhaust cleanliness.
Key Features of Liqui Moly Catalytic-System Clean
Catalyst Cleaning Action: Helps dissolve deposits on catalytic converter surfaces for improved performance.
Reduced Emissions: Supports lower exhaust pollutants by enhancing catalyst function.
Improved Exhaust Flow: Helps restore freer flow through the after-treatment system.
Engine Efficiency: Promotes more complete combustion and smoother engine operation.
Easy to Use: Add to the fuel tank before refuelling according to dosing guidelines.
Suitable for Petrol and Diesel: Compatible with vehicles equipped with catalytic converters.
Applications
Petrol or diesel vehicles fitted with catalytic converters
Before emissions testing or MOT inspections
Engines showing increased emissions or loss of performance
Routine maintenance to preserve exhaust after-treatment health
Vehicles used in urban or stop-start driving conditions
Cars, vans, and light commercial vehicles
Technical Specifications
Brand: Liqui Moly
Product: Catalytic-System Clean
Part Number: 7110
Volume: 300 ml
Type: Fuel additive for catalytic converter cleaning
Main Benefits: Reduces deposits, improves exhaust flow, supports lower emissions
Application: Add to fuel tank before refuelling according to instructions
Why Choose Liqui Moly Catalytic-System Clean?
The Liqui Moly Catalytic-System Clean 300ml – 7110 provides an effective and user-friendly solution for maintaining catalytic converter efficiency and overall exhaust system health. Its targeted formulation helps improve emissions performance and engine smoothness, making it a valuable addition to preventative maintenance or pre-test preparation routines.
