Black Widow Exhausts Motorcycle Exhaust Downpipes Headers Fits : Kawasaki Ninja 400 2017 - 2026 models Z 400 2017 - 2026 models - Material : 304 Grade Stainless Steel. - 1 sensor models : no modifications required. 2 or more sensor models : the engine management light may appear when using this system. This can be prevented if set up by a tuning specialist. - 2 Year Black Widow Unlimited Mileage Warranty.
