Are GL1200 mufflers interchangeable?

[FatherWilliam57]

Gonna need a quick response to this question. The parts manual lists five different numbers for GL1200 mufflers (84 Standard; 84-85 Interstate and Aspencade; 86-87 Interstate and Aspencade; 85 Ltd; and 86 SEi). Are any of these mufflers interchangeable?

And what about the header pipes? Are these interchangeable across the years and models? Thanks!

[SIR tricky]

I know there are changes between 84-85 and 86 but I thought they were just cosmetic such as removable chrome sections on the headers on the 86+

[Guest]

The head pipes are the same for 84-85, they are different for 86-87. But like tricky said, they are just "constructed" differently. I just pulled my engine and found a header rusted through. Couldn't find one readily for an '86, so I used an '84 I had laying around. NO problems. To the best of my knowledge, the mufflers are the same, except that the standard had round tips as the rest were oval.

[bluewing]

I know there are changes between 84-85 and 86 but I thought they were just cosmetic such as removable chrome sections on the headers on the 86+

My 86 aspy has the removable chrome section on the headers and a friend of mine that I ride with has put an 85 exhaust system on his 86 interstate. I don't think he had any problems installing them.