Hi everyone, I have a 2010 Smart fortwo Pure, its sitting at 104,xxx kms currently. These past few days all of a sudden the car sounds like I've put a whole new exhaust on it, its very deep and throaty. I can't hear anything rattling which leads me to believe its probably just the exhaust? It only seems to make the noise if I'm sitting still idling, or accelerating/maintaining a speed. When I let off the gas the sound stops. I don't know very much about cars, but is there anywhere specific I should check on the vehicle to see if its something small? I don't feel any difference in how the vehicle itself drives, just the sound of it.
Thank you so much for any help/advice
