Replacement Air Filter for 2003-2006 Kawasaki KFX400/2003-2009 LTZ400/2004-2008 Arctic Cat DVX400 (KNNSU-4002) Forced Induction>Supercharger Kits The precision-formed aluminum intake tube

The precision-formed aluminum intake tube enhances engine breathing

0-inch piping to 2

Space for switch and manifold integration

Designed to maintain safe air-fuel ratios across the entire RPM range

Delivers dyno-proven gains of 14 HP and 14 lbs

Replacement Air Filter for 2003-2006 Kawasaki KFX400/2003-2009 LTZ400/2004-2008 Arctic Cat DVX400 (KNNSU-4002) Forced Induction>Supercharger Kits The precision-formed aluminum intake tubeBreathe easy and boost performance with the Universal Replacement Air Filter for 2003 2006 Kawasaki KFX400 2003 2009 LTZ400 2004 2008 Arctic Cat DVX400 from K&N. This high flow replacement air filter is designed to increase horsepower and acceleration while providing outstanding filtration. Unlike disposable paper filters, K&N filters are washable and reusable, so you buy once and never worry about replacements again. Features Washable and reusable,