Yes you only have to listen to it with the aid of a lump of metal bar rested on it's cover (to transmit the sound to the ear) to tell what it is on most cars.
I'll certainly be changing mine every 40,000 miles with or without fibreglass.
2009 4/4 Sport 15,000 so it won't be long as I have a busy travelling year ahead.
Enjoy your New Year cooler miles, it's just perfect on dartmoor these days.
