The Arlen Ness "Cheap Shot" Fuel tuner provides an economical solution to add needed fuel after upgrading your Harley Davidson exhaust and/or air cleaners. The Ness Cheap Shot offers a very simple splice-in design that offers an economical solution to your fuel management needs. The Ness Cheap Shot utilizes load-based technology that automatically senses load on the engine during any riding situation and makes the necessary adjustments to provide optimal fuel to the engine.