Take it to a repair shop and get it fixed!
Not enough info. What kind of noise? Coming from where? Under what situation(s) does it occur?
run straight pipes. illegal in many states. will lose torque, but will be very loud.
Check your catalytic converter.
Front sway bar link bushings. Cost under $50, took about an hour to replace both sides.
wheel bearing
why does my 1996 ford tarus wagon make noise when i turn key in ignition
Loud noise is not a good description. If its a loud squeal turn the air conditioner or defroster off. If the squeals goes away the compressor or the clutch for the air conditioner compressor is locked up.
Loud and sustained or repetitive noise.
A noise that is 55 decibels loud is considered moderate in volume.
When you turn the wheel, or while you drive?
roar really loud noise
A hole or a crack in the exhaust or muffler.