• This listing cover model years 1963, 1964, and 1965 Riviera's. This listing does NOT cover a 1965 Buick Gran Sport. For that listing refer to listing 568810. Photo is correct to this listing. 
    • Dual exhaust system includes LS/RS exhaust pipes, LS/RS resonators, LS/RS connector pipes (AKA over-axle pipes), single transverse muffler and LS/RS tailpipes.
    • System starts out at 2"OD, increases to 2¼"OD on the connector pipes, then reduces down to 1¾"on the tailpipes.
  • Photo depicts the dual exhaust system with resonator eliminator pipes (vs with the stock resonators). 
    • Stock Dual exhaust system includes LS/RS exhaust pipes, LS/RS resonators, LS/RS connector pipes, dual in/dual out transverse muffler and LS/RS tailpipes.
    • Stock pipe diameter is 2¼"OD through out.
  • This listing covers model years 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, and 1974 Buick Riviera with V8 and stock dual exhaust. Photo depicts the system for MY's 1966-70 Buick Riviera's with the stock V8
    • 1966-70 Riviera exhaust system consists of LS/RS exhaust pipes, LS/RS mufflers, LS/RS front connector pipes, LS/RS rear connector pipes, LS/RS resonators w/tailpipes.
    • 1971-74 Riviera exhaust system consist of LS/RS exhaust pipes, LS/RS mufflers, LS/RS connector pipes, LS/RS resonators w/tailpipes.

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