Originally Posted by kfull

I wanna keep stock cats just to avoid having to get a tune/inspection hassles/emissions. Also it's my dd, if it was just a weekend car I'd probably upgrade them, but I drive a lot. Just personal preference. It's certainly not "quiet" with the 18 inch resonators but I just want a little more sound. Tony also says non res with stock cats is one of his favorite combos sound-wise.