OBX Performance Exhaust Manifold Header 85-91 Chevy Corvette C4 L98 5.7L w Y-Pipe 16 Gauge Runner Wall, 0.4″ flange, 1 3/8″ primaries pipes, 3.5″ OD Collector 2 1/2″ y-pipe OBX Racing Sports exhaust systems feature high performance straight-flow technology to…
FEATURED OBX Performance Exhaust Header 85-91 Chevy Corvette C4 L98 High quality T-304 stainless steel Lifetime warranty from manufacturer defects OBX Genuine Products Design and Quality of OBX U.S.A Gaskets & Hardware included CNC machine flanges with DUAL-TIG welded construction…