Infiniti Nissan G35 Short Ram Intake System uses DCF275 Filter DC Sport Air Intake Systems provide the best of both worlds in heat protection and improved breathability. Every kit includes a air filter that requires no oil, therefore no chance in contaminating the mass air flow sensor which can result in loss of power and higher fuel consumption. No oil necessary for filtration, therefore no chance in contaminating the Mass Air Follow Sensor which can result in loss of power and higher fuel consumption.  Washable and reusable.  Filtration as small as one micron  Aluminum alloy construction, making it immune to corrosion.  Built in velocity stack to dramatically increase air flow rates.  Built in funnel top to direct air flow into the velocity stack.  Stainless steel mesh to aid in strength and longevity of the filter filament. One piece aluminum alloy construction.  Corrosion resistant.  Polished to show quality finish.  Improves throttle response.  Increases horse power without increasing fuel consumption.  Cuts OE intake system weight by more than half.