Not likely anyone that's tried that...so you might be the Guinea Pig on this one if you try :)

3 grand i think is what everyone wants to avoid.

holy hell... i got a new one for free from mazda.. that is a SUPER expensive cat..

How did you get a new Cat from Mazda for the S2?

Leveraged Federally mandated warranty?

I'm waiting for what the dealer did (what data) was used to obtain such an excellent outcome.