Do you like to ride hard? Check out ModQuad gas cap breather valves. Whatever mischief you may get into, they allow the tank to breathe and prevent fuel leakage. They are designed to replace the stock vent hose with a one-way valve to prevent gas spillage in the event of a rollover. They are made from billet aluminum and are available in a variety of colors. Modquad breather valves include a 3 in. hose.