 It has no catalytic converters, apparently. I'll double check on that. But it also has a cold air induction. And it seems to be a little lacking in performance and gas mileage and stuff, but Tahos are kind of famous for that. But I was thinking of chipping it, and I was just wondering if that's going to screw up the central processing computer or whatever. Well, here's the thing. With a 98 Tahoe, if they're famous for having fuel mileage issues, if the converter's been removed and the intake's been changed because it changes airflow,