Catalytic converter

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Standard CAT

A catalytic converter (colloquially, "cat" or "catcon") is a device used to reduce the toxicity of emissions from an internal combustion engine.

See Catalytic converter on Wikipedia for further information.

These are often replaced in the exhaust system with a sports CAT or CAT replacement pipe.


Whilst using a CRP you need to store your CAT. Basically keep it dry such as at the bottom of an airing cupboard in a bag.


Elise S1 catalytic converter

Pre-TF MGF's have the same cat as an S1. Weight 4,3Kg


Elise S2 catalytic converter

The S2 CAT is different from the S1.