Inlet Diameter: 7.0CM/2.75IN Applicable: VW JETTA 2009-2018 VW SAGITAR 2011-2015 VW POLO 2012-2014 VW GOLF 7 2013-2015 VW TIGUAN 2016 1.Production Process: High quality 304 stainless steel, Durable and not corrodible ,Plating process,Surface polishing makes tail throat looks shiny bright 2.Protect the Original Tailpipe: Protect the original exhaust pipe from sun and rain, avoid rusting and deformation 3.Easy to Install: There is no need to replace any parts,No weld needed. No drill needed.Super Easy to Install