when i got out of work and i notice wen i started my car and press gas pedal it makes deep and lound noise. b4 it was quiete. when i drive around it sounds like i put in huge muffler. i think the problem would be in the muffler probably need new 1. any1 else have ideas? its dark cant check it out tonite

 

bust up cat

 

Check your cat, probably broke or something.