High flow filters from K&N allow for more air to increase vehicle horsepower and acceleration. These simple drop in replacement filters generally add 1-4 horsepower and last up to 50,000 miles between cleanings. Wash and reuse the filter for up to 1 million miles! K&N filters install just like the original filter, will not void your warranty and are emissions legal in all 50 states. *Not a Honda product. K&N warranty for this product is 1 million miles. For additional product information and test data visit K&N online.