Originally Posted by gabrieldy
first off, those guys don't know what they are talking about...find another exhaust shop.
second, like Timmy said, as long as you cut after the O2 sensors you'll be fine.
That's exaclty what I thought, but this guy is supposed to be very good and is the go to guy in St. Louis. Trying to find a good exhaust shop around here is like finding a needle in a haystack.