I have a 02 mustang gt when i first bought it from a kid he had it opened exhaust basically straight piped through a pair of catbacks on and i dont know if the exhaust place i went to did it wrong but afterwards on my way to work it started a whining noise. Now when i swerve to the right the noise stops maybe taking the pressure of whatevers rubbing or hitting. Any ideass? Coming from the right side of the car.