4-1 Exhaust Downpipes System - No Silencer Fits: Ninja 1100 SX SE / Tourer 2025, 2026 models. - Compatible with the original silencer/muffler or any that is fitted to your original headers. Identical connection specifications as the original. See our silencer/muffler options for the complete system upgrade. - Accepts original O2 sensors - Engine management light may appear when using this system. This can be prevented by being set up by a professional - See kit photo for what's included. - Tig welded for smooth internals, increased internal gas flow and performance. - 2 Year Black Widow Warranty.
