hollowed cat/engine light

[SOHC_ME]

i hollowed out my catalac converter an 3 days later my engine light came on ,wut can i do to fix that stupid annoying light

 

[TurboZinc]

Get a new cat.

Not really sure about civics, but they sell MIL (malfunction indicator light) eliminators that are spliced into the wires of the O2 sensors that shut off the light for Mustangs, maybe there is something like this for civics. That or a chip should be able to turn off the light

 

[ZuM00Si]

Yea if you f**k with the car on an OBD2 car the check engine light comes on.
Javier