IXIL Non-Catalytic Headers DKAT - Kawasaki ZX 4 RR / Ninja 400 / ZX 4 R (2023-2024) IXIL IXIL DKAT non-catalytic headers for the Kawasaki Ninja 400. Ships from Portugal. Kawasaki Ninja 400 Kawasaki ZX 4 R Kawasaki ZX 4 RR