OER Parts offers a wide selection of Manifold Hardware for your 1973 Chevrolet Malibu. OER Parts offers 1973 Chevrolet Malibu Bolts, 1973 Chevrolet Malibu Exhaust Flanges, 1973 Chevrolet Malibu Extension Pipes, 1973 Chevrolet Malibu Header & Exhaust Manifold Paint, 1973 Chevrolet Malibu Header & Exhaust Manifold Wraps & Blankets, and 1973 Chevrolet Malibu Heat Risers.