This product has excellent reviews on many car forums. Especially good for use just before the MOT.

Developed to meet the most recent environmental standards, CATACLEAN is the answer to avoiding expensive repair and parts replacement.

Used as a liquid service tool, CATACLEAN will first clean your vehicles fuel system, improving cylinder fuel burning.

Then it cleans the surface of the catalytic converter improving gas flow and reducing emissions.

CATACLEAN also cleans the upper cylinder, valve heads and stems, improving compression and reducing sticking. Giving better performance in catalytic and non-catalytic engines.

In both petrol and diesel engines it will help to improve fuel consumption and engine performance, reducing smoke emissions by up to 60%.