Originally Posted by mrdf77

Hi Alex,

Thanks for your message.
Could you tell me how to check the cats other than waiting for them to fail ? Honestly I don't know... Other than taking them apart ...
How did yours fail? Did they break into pieces ? Did they cause a rattle in the exhaust ?
Also, yes, you are right I do not expect those cheap cats to be as high quality as the original ones ; but I can still replace the pair 3 times for the price of just a single original one.... So I am more than happy to take the risk.... I hope they will last 7,500miles .... that would be already quite an achievement for such a cheap solution, otherwise they did come with a 3 year warranty anyway !
I'll keep you guys posted on whatever happens in the future

Thanks again for your help !

Cheers,