4-2 Exhaust Silencer Kit Fits: Z1000 Z1000 SX 2010-2019 models. - Designed to fit the OEM headers and our own Black Widow headers. - NOT COMPATIBLE WITH PANNIERS. - Replaces the heavy OEM muffler/silencers. - Louder with improved gas flow. - No modifications required. (Re-mapping, Power commander) - Link pipes, silencer mounting straps, brackets and clamps are included. - Link Pipe Material : 304 Grade Stainless Steel. - Silencer Material : 3K Weave Carbon Fibre + 304 Grade Blue Stainless Steel. - Body Length excluding tips = 200mm - Silencer Code: CL20R - Baffles / DB killers are removable. - See our Silencer Specifications Tab for length noise levels. - Two .