BUY WITH CONFIDENCE -- Backed by Walker's 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details. Part Number 50601 Inlet Type A 3 Bolt Welded Flange Outlet Type A 2 Bolt Welded Flange Substrate Material Stainless Steel Type Walker Ultra EPA 50601 Direct Fit Catalytic Converter 3.625" Inlet (ID) 2.75" Outlet (OD) for Chevrolet Express 3500 | Catalytic Converter Weight 27.20 lbs Height 19.00" Width 29.00" Length 56.00" Buyer's Guide 2009-2014 Chevrolet Express 1500; 2010-2011 Chevrolet Express 2500; 2011 Chevrolet Express 3500; 2009-2014 GMC Savana 1500; 2010-2011 GMC Savana 2500; 2011 GMC Savana 3500 Interchange Data Brand Part Number No interchange data available.