Few Months ago my front o2 and rear o2 driver side sensors went out naturally the car started going into "cat save mode' and was running rich, i have sinced removed the cats and added non foulers and replaced the sensors , my question is since ive 'tricked' the car to thinking it has cats with the non foulers. the power loss it had when it was running rich is it gained back now? need help cuz i still feel the car the same