Catalitic Converter

[Biccylova]

what is one of these and what does it do please?

[Buenchico]

What does it do?

It costs you a lot of money when it goes wrong. That's what it does!

https://en.wikipedia.org/wiki/Catalytic_converter

[whiskeryron]

Catalytic converter. Used in Northern Ireland to alter Prossie thinking.

[melv16]

I know someone who encourages people to worship exhaust pipes. He was a catalytic converter :-)

[Biccylova]

Ha Ha, on the other hand my oh does spend a lot of time on his knees peering under the car.