I've had them as well for a stock exhaust. After about the 10th ticket I spent about 1k on a fully build exhaust built to the specs of the stock version just with updated cats. Igot a ticket for it still.
__________________
Driving definitions: Understeer is when you hit the wall with the front of the car and Oversteer is when you hit the wall with the rear of the car. Horsepower is how fast you hit the wall and Torque is how far you take the wall with you.