Bought this along with a No Spill 5 gallon can to use for track days. THe length is excellent and gets down into the filler of your car. It also fits in a 1 gallon freezer bag so you can seal it up and put it back in the trunk when done without smelling gas or getting it on your trunk carpet. Two improvements would make this a 5 star funnel. 1) It should be slightly upturned at the opening to catch gas as it backs up 2) The diameter of the nozzle should be larger and it easily could be given the tank inlet size - would allow faster filling.