[D CHOI]

Got this response from Fabspeed.

The code you are getting could be caused by different things other than the catalytic converter.

Please view the below requirement on out warranty page:
Fabspeed products containing catalytic converters are protected by a 2-Year Limited Warranty against failure or defects in material and construction. This Warranty does not apply if the product(s) has been installed on a vehicle that has been run with leaded race fuel or fuel additives.

In order for Fabspeed to replace a catalytic converter under warranty, the following conditions and requirements must ALL be met:

1. Catalysts must not show any physical damage or signs of abuse. Signs of abuse include, but are not limited to, motorsport or on-track use, leaded fuel, fuel additives, etc.
2. Catalysts must be no more than two years in age from original purchase date.
3. There are no visible exhaust leaks anywhere in the exhaust system upstream of the catalysts.
4. Two ECU printouts showing catalyst inefficiency faults. After the first printout the ECU fault memory is cleared. If the fault returns, a second printout should be made and submitted for warranty approval. *Printouts must include operating conditions and vehicle hours.
5. No other faults which will alter the OEM or Fabspeed ECU tune air/fuel calibration should be present on the printouts for catalytic inefficiency (for example: codes for fuel trim, O2 sensors, MAF sensor, etc.)
6. A graph of the oxygen sensors before and after the catalyst must be supplied. This graph should show the oxygen sensors in operation on a fully warm vehicle in closed loop operation.


Currently waiting to put more miles on to see if CEL will return the 2nd time around.