Fits: 2021>> ➠ In the diagram, a Broken Line indicates that both items will connect together or will connect with the O.E. corresponding item at time of initial fitment. Arrow Part Number - 71754MI This ARROW Racing Central Link Pipe eliminates the O.E. Catalyst / Pre-silencer unit and is designed to allow a model specificARROW INDY RACE or PRO-RACE Silencer #71928 series to be selected for use.Or alternatively, the O.E. silencer unit can be retained. Made from INOX Stainless Steel [AISI 304 grade] for a durable light weight item that allows lower engine temperature with performance gains. Specifications for this LINK-PIPE - 71754MI Features Details Central Link-Pipe material Stainless steel Link Pipe mounting xxx mount Junction (inlet) diameter (mm) xx.0 Junction (outlet) diameter (mm) xx.0 Sensor plug provision xx Weight (Kg) x.xx