Originally Posted by tower74

Well to remove the stock cats..one it's a federal offense...just saying on that one but I doubt they will come after anyone for that one. Also it will throw engine codes for both banks unless you get them tuned out. I know, I more or less had straight pipes on my old Z. Driving it was a beating due to the noise but the turbo made up for it. You will have power gains somewhere around 30+hp gains.