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 55476 Inlet Type A 3 Bolt Loose Flange With Spherical Flare Outlet Type A 2 Bolt Welded Flange Substrate Material Stainless Steel Type Walker Ultra EPA 55476 Direct Fit Catalytic Converter 3.75" Inlet (ID) for Chevrolet Trailblazer | Catalytic Converter Weight 13.00 lbs Height 8.00" Width 12.00" Length 51.00" Buyer's Guide 2004-2005 Buick Rainier; 2002-2005 Chevrolet Trailblazer; 2002-2005 GMC Envoy; 2003-2005 Isuzu Ascender; 2002-2004 Oldsmobile Bravada; 2005 Saab 9-7x Interchange Data Brand Part Number No interchange data available.