OBX Performance Exhaust Header 65-82 Corvette C2 C3 Stingray Side mount High quality T-304 stainless steel Precision CNC machined flanges with DUAL-TIG welded construction Value Added Direct Bolt On/ Weld On Set Up Without Any Modification, with Mounting Nuts and Bolts Included Lifetime warranty from manufacturer defects OBX Genuine Products Design and Quality of OBX U.S.A