1961-87 Pontiac Full Size

This listing covers model years 1964 Full Sizes stock with the 421HO, 1965, 1966, 1967, 1968, 1969, and 1970 Star Chief, Bonneville, Executive, Catalina, Ventura,  2+2 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.