A DNA® High Performance Filter is a high quality, next generation multilayer cotton gauze, oil impregnated air filter. We, at DNA®, proudly introduce a filter that can last the life of your motorcycle. Strict quality control for construction & materials, chosen only by their highest quality, are some of the factors that allow us to offer a Lifetime Warranty!
 
Replacing the original equipment air filter is one of the easiest and least expensive things you can do to get more performance and economy from your motorcycle. No matter what you drive, we have direct fit performance air filters that will install right in your motorcycles' factory air box. Our filters increase air flow, enabling your engine to make more power and get better fuel economy, and provide the critical filtration needed for engine protection.
 
Suitable for 
Honda CRF250X, 2005-2009 models
Honda CRF250R, 2004-2008 models
Honda CRF450X, 2009 models.