Hiflofiltro air filters are manufactured to fit the factory air box and are a direct replacement for original equipment filters.
Fits:
Kawasaki EX400 A3,A4 (GPZ400S) (Japan) — Japan 1989 to 1990,
Kawasaki EX500 A1-A4 (GPZ500 S) 1987 to 1989,
Kawasaki EX500 A5-A7 (GPZ500 S) 1990 to 1993,
Kawasaki EX500 D10 (GPZ500 S) 2003,
Kawasaki EX500 D11-D12,D6F Ninja 500R 2004 to 2006,
Kawasaki EX500 D1-D3 (GPZ500 S) 1994 to 1996,
Kawasaki EX500 D4-D9 (GPZ500 S) 1997 to 2002,
Kawasaki EX500 D7F, D8F,D9F Ninja 500R 2007 to 2009