This listing covers model years 1961, 1962, 1963, and 1964 Star Chief, Bonneville, Catalina, and Grand Prix’s (1962-64) with the stock V8 and a dual exhaust. For MY 1964 stock with the 421HO, this is a resonator eliminator option.
Photo depicts the system for full size Pontiac’s with the stock 389ci.
- Dual exhaust consists of LS/RS exhaust pipes, LS/RS mufflers, and LS/RS tailpipes.
- MY’s 1963-64 do not require gaskets at the manifolds. The connection is metal-to-metal.