Exhaust Downpipes Headers Collector Big Bore - No Silencer Yamaha YZF-R 125 2021 - 2024 models. - All new Big Bore headers. - Big Bore for maximum internal gas flow and tig welded for smoother internals. - Accepts a 51.5mm slip-on silencer. - No modifications required. (Re-mapping, Power commander) - Header/Downpipe Material: 304 Grade Stainless Steel. - Fitting instructions included - Two-year Black Widow warranty.
