- 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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This listing covers model years 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, and 1974 Buick Riviera with V8 and allows you to delete the stock resonators. Photo depicts the system for a 1966 Buick Riviera with the stock V8 (with rear exhaust pipes cut to reduce shipping). MY's 1967-70 Riviera's take different exhaust pipes at 2¼"OD with flat spots but all other parts shown in the photo are correct. -
Photo depicts the dual exhaust system with resonator eliminator pipes (vs with the stock resonators). For the stock system with resonators refer to SKU 568787.- Stock Dual exhaust system includes LS/RS exhaust pipes, LS/RS resonators eliminator pipes, LS/RS connector pipes, dual in/dual out transverse muffler and LS/RS tailpipes.
- Stock pipe diameter is 2¼"OD through out.
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Photo is correct to this stock dual exhaust listing.- 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.
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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.