I am about to delete the 2cats and resonator and replace with a 1 piece straight pipe. I'm wondering after this mod, will the engine light pop out. If so, will it harm the car? Other simple just can find a shop to cancel the code?
Thanks!!!!

 

Power pipe

 

No the engine light will not pop up deleting sec cats

 

Did the same just a few weeks ago and I like it even if I would like it to sound a bit more to be honest. But that can be down to that I added an X pipe and not just strait pipes.

But no worries about any codes :-). Just if you do the primary cats

 

Get an x pipe.

you have two exhaust banks. To not be using the flow of each exhaust pulse to scavenge the opposite bank is a waste of power.

 

Just get Mike's pipe and you'll be happy.