Arrow Part Number - 11001MI Fits: BMW -▪ R 1200 GS / Adventure 2010 > 2012 ▪ R Nine T Models 2014 > 2020 This Mid Link Pipe (known as a Valve Repacing Unit) will allow the O.E. Exhaust Valve Unit to be removed to assist with professional race tuning.This item can be used with the ARROW Race Collectors and ARROW Silencers. Or alternatively, the O.E. exhaust components can be retained. Made from INOX Stainless Steel [AISI 304 grade] for a durable light weight item that allows performance gains. Note: As this is a multi model fitment item, check the ARROW Schematic diagram for your BMW model to verify the fitment. Specifications for Mid Link Pipe - 11001MI Features Details Link Pipe material Stainless steel Junction (inlet) diameter (mm) 63.0 Junction (outlet) diameter (mm) 63.0 Weight (Kg) 0.50