• This listing covers model years 1964 Full Sizes stock with the 421HO, 1965, 1966, 1967, 1968, 1969, and 1970 Bonneville, Catalina, Star Chief, and Grand Prix's with the stock V8 and a dual exhaust. Photos depicts the system for MY's 1969 and 1970 Bonneville & Executive's with the stock 400ci or 428ci (excludes the 428HO). 
    • For MY 1965 station wagon's with the 421 HO this system consists of LS/RS exhaust pipes, LS/RS mufflers, LS/RS front tailpipe with resonators, & LS/RS rear tailpipes. For all other body styles the system consists of LS front & rear exhaust pipes, RS exhaust pipe, LS/RS mufflers, LS/RS connector pipes, & LS/RS resonators with tailpipe.
    • For MY 1965 station wagon's except the 421 HO this system consists of LS front & rear exhaust pipes, RS exhaust pipe, LS/RS mufflers, LS/RS front connector pipes w/resonator, & LS/RS rear tailpipes. For all other body styles the system consists of LS front & rear exhaust pipe, RS exhaust pipe, LS/RS mufflers, LS/RS connector pipes, and LS/RS resonators with tailpipe.
    • For MY's 1966-70 station wagon's the system consist of LS/RS exhaust pipes, LS/RS mufflers, and LS/RS tailpipes with resonators built in.
    • For all other body styles the system consists of LS/RS exhaust pipes, LS/RS mufflers, LS/RS over-axle pipes, and LS/RS resonators with tailpipe.
    • The 421 HO originally took cast iron flanges. We supply you with universal flanges but if you have the cast iron flanges, you will be able swap them out.
  • This listing covers model years 1971, 1972, 1973, and 1974 Bonneville, Catalina, Grand Ville & Safari Wagon's with the stock V8 and dual exhaust which was stock with mufflers and resonators. For a Grand Prix in these years please refer to listing 453230. Photo shown is generic and is posted so that you might see the quality of our craftsmanship and the type of bending. 
    • This dual exhaust system consists of LS/RS exhaust pipes, LS/RS mufflers, LS/RS connector pipes, and LS/RS resonators with tailpipe.

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