A friend of mine got tired of being told he needed a new air filter every time he went to a fast lube outlet. So he installed a new one immediately before going to have his oil changed.
As usual, they told him he needed a new air filter. He replied, "that's funny, I just installed a new one five miles ago!"
As usual, they told him he needed a new air filter. He replied, "that's funny, I just installed a new one five miles ago!"