rumble or vibration

Whilst driving along, I get what feels like a vibration or rumble coming through the floor pan. I feel it when I have my left foot on the foot rest. I can't hear anything, but can certainly feel it. Is it possible that there is a problem with the anti-roll bar? I can't feel this through the...

Ever since i did 110mph the other day my car seems to have aquired a strange vibration when i accelerate. I cant feel it but kind of hear it!!! :confused: Its like when you have your sunroof open and you get that strange pulsing of sound. It seems to stop when i lift off. I cant seem to...