DNA Air Filters are designed to raise the motorcycle's horsepower and acceleration. These filters can be cleaned and then reused. Cleaning the filter and refitting it is a simple matter, and the filtration efficiency reaches 99%. They are ideal for Triumph's Daytona 675 model. Features: This DNA filter has the advanced FCd design (Full Contour design). An ideal airtight fit with no trouble at all for the user, with guaranteed high-quality EVA protection, made exactly to the factory design. Fitting the air filter is very easy, simply follow the information found in the TRIUMPH manual. The filtration performance is extremely high, at a rate of 98-99% (ISO 5011), with 4 layers of DNA cotton. The flow of the DNA filter is very high, 40.16% greater than the filter from the manufacturer Triumph. Air flow with the DNA filter: 175.20 CFM (Cubic feet per minute) @1,5"H2O @ 25 degrees Celsius. Air flow with the factory Triumph filter (OEM): 125.00 CFM (Cubic feet per minute) @1,5"H2O @ 25 degrees Celsius. This DNA filter is designed as a high-flow filter for on and off road use.