ok i just install a new cat on my car and now my car is acting funny. so basicly what i notice is that whenever i take off it in drive now for some reason when it switches gears from 1st gear to 2nd gear it takes a long time like it feels like im driving a stander car like u no when u drive a stander car and u press on the clutch to shift to 2nd and the car feels like it stops?... well thats how it feels. it never use to do that. i feel like say i step on the gas hard and let go in first gear and pushes u foward thats how it feels, idk if its bcuz of the cat that it was put wrong or what??? plz help also when im doing like 35 and i step on it to say hall ass my car doesnt like pull hard it just like starts increasing the speed but slowly and it never use to do that either, can someone tell me what it could be plz. thanxs oh and its a 04 grand prix gt stock