Boyesen Power Reeds use a patented dual-stage fiberglass design for more airflow, more air velocity and more overall power. This item fits the following applications: 2006 Polaris Trail Blazer 250, 2006 Kawasaki KDX200, 2005 Polaris Trail Blazer 250, 2005 Polaris Sportsman 400, 2005 Kawasaki KDX220R, 2005 Kawasaki KDX200, 2004 Polaris Trail Blazer 250, 2004 Polaris Sportsman 400, 2004 Kawasaki KDX220R, 2004 Kawasaki KDX200, 2003 Polaris Trail Blazer 250, 2003 Polaris Sportsman 400, 2003 Kawasaki KDX220R, 2003 Kawasaki KDX200, 2002 Polaris Xplorer 400L, 2002 Polaris Xplorer 250 4x4, 2002 Polaris Trail Blazer 250, 2002 Polaris Sportsman 400, 2002 Polaris Scrambler 400 4x4, 2002 Polaris Scrambler 400 2x4, 2002 Kawasaki KDX220R, 2002 Kawasaki KDX200, 2001 Polaris Xplorer 400 4x4, 2001 Polaris Xplorer 300 4x4, 2001 Polaris Xplorer 250 4x4, 2001 Polaris Trail Blazer 250, 2001 Polaris Sportsman 400, 2001 Polaris Scrambler 400 4x4, 2001 Polaris Scrambler 400 2x4, 2001 Kawasaki KDX220R, 2001 Kawasaki KDX200, 2000 Polaris Xplorer 400 4x4, 2000 Polaris Xplorer 300 4x4, 2000 Polaris Xplorer 250 4x4, 2000 Polaris Trail Blazer 250, 2000 Polaris Scrambler 400 4x4, 2000 Polaris Scrambler 400 2x4, 2000 Kawasaki KDX220R, 2000 Kawasaki KDX200, 1999 Polaris Xpress 300, 1999 Polaris Xplorer 400 4x4, 1999 Polaris Xplorer 300 4x4, 1999 Polaris Trail Blazer 250, 1999 Polaris Sport 400L, 1999 Polaris Scrambler 400 4x4, 1999 Kawasaki KDX220R, 1999 Kawasaki KDX200, 1998 Polaris Xpress 300, 1998 Polaris Xplorer 400 4x4, 1998 Polaris Xplorer 300 4x4, 1998 Polaris Trail Blazer 250, 1998 Polaris Sport 400L, 1998 Polaris Scrambler 400 4x4, 1998 Kawasaki KDX220R, 1998 Kawasaki KDX200, 1997 Polaris Xpress.