i have installed a headers/downpipe and i mod. my downpipe for installing my stock Catalyseur and i install a dynomax ehaust is very great...

sorry for my bad english :P i'm french Quebecois

 

Translation,

I have installed RRM's new header/downpipe, and reinstalled the factory catalytic converter. Also installed a dynomax exhaust and its great...

My step dad is french, I am picking up what you are putting down

 

I have the same set up but with magnaflow cat from RRM.

 

Have you thrown the CEL at all since installing it?

 

my check Engin Is lit and i Don't Have De RRM Cel Sensor.... I believe a Get It for My problem.....

 

You shouldn't get a CEL if you have the cat hooked up.....check your sensors