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The Remus DB-killer for the 2018 Kawasaki Ninja 400 (33.4 kW, Euro 4) is a muffler silencer insert specified for that model and emissions class. It fits into the Remus muffler outlet to reduce exhaust tone and is listed for use with the 2018 Ninja 400 Euro 4 configuration, providing model-specific noise control where required.
Remus 2018 Kawasaki Ninja 400 33.4 kW (Euro 4) DB-Killer
