- Single exhaust system consists of the Y pipe, rear exhaust pipe, muffler and tailpipe.
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This listing covers model years 1961, 1962, 1963, and 1964 Bonneville, Catalina, Grand Prix, Star Chief, and Ventura's with the stock V8 and single exhaust. Photos depicts the exhaust system for 1963--64 Catalina's & Gran Prix's with the stock 389ci.
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.