Tired of boost running out? Heres a simple-once-you-know-it-way to keep it forever!!! In any race, any mode, anytime during the race, and with any car, (aslong as you have some boost left) repeatedly back into an immovable object so your damage meter is blinking yellow and red on the back of your car (damage must be on), or until your spoiler comes off. Every time you hit the object, tap the boost just before so that youre spraying flame as you touch the object. (this may take some practice to get it right so don't get impatient, and don't attempt it for the first time in a gp race...) after one or more tries, all the boost in your boost bar will instantly disappear, and every time you hit the gas, it acts like youre holding down gas and boost at the same time! This will last until you exit the race.