67-81 Camaro, 68-87 Chevelle, 68-79 Nova. 70-87 Monte Carlo, 71-91 Mid Length Size. 78-87 Olds Cutlass&442: 283-400. Primary Tube Size 1.5″, Collector Size 2.5″. Small Block Chevy GM Chevy. Temporary non-high temperature paint. Primary Tube Outside Diameter (in). Collector Reducer Exit Diameter. Catalytic Converter(s) Included. This item is in the category “eBay Motors\Parts & Accessories\Car …