I am thinking about purchasing the Rouch (non Legal) exaust system and also removing the cats. I have the 04 new body style so i am removing the 2 rear cats and leaving the front 2 pre cats or whatever they are there. Before i spend the cash i just wanted some opinion. I havent seen any feedback about the rouch exaust systems really anywhere. Thanks

 

IMHO I'd leave the cats and get a "legal" system" until your warranty runs out.

Even then, I'd run cats anyways.
They are restrictive, buit not really that much.
The potential for fines isn't worth it to me.
Maybe it's just my "inner tree hugger" talking...

If anything, I'd remove the re-cats and run the main cats...which is what I run now. And I pass smog!

Just my two cents

 

don't remove em,gut em and put a piece of 2.5 pipe inside em and put a 1/4 ohm resistor in your downstream o2 sensor signal wires then you will pass emissions