low pitch rattling from inside stock muffler?

[UpOn3]

Hi, I'm trying to determine where a low pitch rattle is coming from. Sounds like the gas tank rattling as my car pitches up and down, but it looks solid. When I shake the tail pipe, however, I hear the muffler making a little noise from within, but not quite as loud and intense as when I'm driving, so I'm not convinced that it's the muffler that I'm hearing as I drive. I hear it even when I go over speed bumps slowly. Is rattling a common sign of deterioration of the stock muffler or is there something else I should check back there.

TIA.

[Bretts85E30]

Check ur cat those are usually what rattles before they completely plug up

[immiseo]

Hi

Unsprung weight is the mass of a vehicle's suspension, wheels, and components directly connected to them rather than supported by the suspension. Unsprung weight includes the mass of components such as the wheel spindles, wheel bearings, tires, and a portion of the weight of driveshafts, springs, shock absorbers, and suspension links. If the vehicle's brakes are mounted outboard (i.e., within the wheel rather than inboard), their weight is also part of the unsprung weight.

The components that comprise a vehicle's unsprung weight are acted on by road shocks and bumps, and therefore the unsprung weight determines the reactive force that any motion of the wheels and suspension exert on the body of vehicle. The smoothness of the ride is closely related to the ratio of unsprung to sprung weight: the higher this ratio, the more severely bumps affect the vehicle.

Australia Emigration

Visa for Australian

Visa of Australia