Quality of Catalytic Converters ...

[crypto]

Need a new cat for my Cerb. There is a wide range from 85£ until 400£ on ebay.
What is the quality difference on these parts and what can be recommended ?
Shoud I change the cats (and lambdas) by the pair or is a single one ok too ?

[Don1]

Personally the high-flow cats would be on my list. I would replace the pair, and bits around it. But that is just me, and I'm not ace at this!

[Basil Brush]

The cheapy ones are ok if you are just going to put them in for an MOT and then remove. I wouldn't run more than a few miles with them though.

[crypto]

Don1 said:

Personally the high-flow cats would be on my list. I would replace the pair, and bits around it. But that is just me, and I'm not ace at this!

any ideas where I get them ? (or is any above 180£ ok, should have one with certificate)
are the original ones high-flow cats ?

[Don1]

ACT

Str8-Six

Racing Green

Hope that helps!

[RedSpike66]

Don't use the cheap ones - how much is your engine worth ??? You don't want bits of cat being sucked back into cylinders...