Have to change the Catalytic Converters on my FX37S

Boril

Member
Car
2010 FX37S
Name
Boril
Hello guys! The fuel consumption isn't getting away after throttle body cleaning. Infiniti dealer told me that it could be the catalytic converters. They are rotted away and making mad cracking noises after I turn off the engine, after all the car has 250K KM.

Genuine catalytic converters aren't option for me, because the official dealer is selling them for $1350 each, which is kinda high for me. So my question is, which OEM catalytic converters would you recommend?
 
If you aren't getting a code I wouldn't change them. When they go our engines will throw a code. The only oem cats would be the ones from infiniti. Anyone I've seen with bad cats the engine threw a code
 
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