You probably need new rotors
loud, and shety muffler
It is idling. This is hard for an engine to do smoothly.
out of balance
Could be time for a tune up.
You have warped brake rotors. Replacement or machine work is required to stop that condition.
Cars vibrate.
It could be that a motor mount has failed allowing the engine to vibrate, thus shaking the car.
A car's steering wheel will vibrate when driving if the car's alignment needs to be adjusted.
i nono cave man, we have no car
check yr stabilizer bush
Hey Marques==Either the rotors or the durms or both need to be turned. Goodluck Joe
check tires, driveshaft,universal joints Another answer: Do all that. The rotors were not your problem in the first place. They have to do with the brakes. They stop the car. If they were bad, they needed to be replaced. You need to be able to stop your car. You may need a complete front end job.