Pipercross have been making high performance air filters for the motorsport and domestic market for over 30 years, made from the only truly flexible filtration materials. Pipercross have tailored their Motorcycle filters to offer maximum engine protection whilst offering the best power gains available for both road and competition use. Pipercross air filters are provided as OE equipment on Triumph motorcycles, and are used by many top race teams on the British, European and World stage.Pipercross air filters consistently outperform paper and cotton-gauze rivals to supply air to the engine - even when dirty! This is thanks to the multi laminate construction used in every Pipercross performance air filter. Layers of varying foam all work together to trap different sized particles.Every Pipercross performance air filter is covered by their limited lifetime warranty against manufacturing defects and as they are washable, there is no waste - helping the environment and your wallet! Pipercro