4-1 Exhaust Downpipes Fits: Ninja 1100 SX SE / Tourer 2025 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. - Engine management light may appear when using this system, this can be prevented if being set up by a tuning specialist. - Plug and play, no ECU remapping or modifications. - See kit photo for what's included. - Tig welded for smooth internals, increased internal gas flow and performance. - 2 Year Black Widow Warranty.
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