Can you trust someone who says "Carburetor rejeting may be required"

What gives me the shingles is that it's for "86 - 91", meaning my '85 is a no-go with it. 

What is the difference, anyway?

Kyle10 wrote:What gives me the shingles is that it's for "86 - 91", meaning my '85 is a no-go with it. 

What is the difference, anyway?

they had different mounts I think, coinciding with the change in foot peg brackets

I bought a Mac system from Niche Cycles for a Honda a few years ago, it was a cheap exaust, and you get what you pay for, a cheap tinny sound.

Yes the footrest mounts changed in 86 but they are easily interchangeable if you grab a pair.

the only plus is that it might give you a chance to put a decent silencer on it ....after the collector

and maybe regain some performance ...that megaphone type end bit would make it a noise machine  rather than a performance machine ....but hey who am I kidding ....they like that stuff over there ...

Kyle10 wrote:What gives me the shingles is that it's for "86 - 91", meaning my '85 is a no-go with it. What is the difference, anyway?

Here's the early mount:



And here's the later mount:



The MAC exhaust is pretty basic, sounds allright (not loud), but at that price, it might make someone a good economy replacement or for a 'rat bike' you're wanting to lighten things up on a bit. The chrome is very average. Don't expect it to last like the stock unit. The newer foot pegs aren't always required if you can fab something up in the workshop, but the later pegs look far 'better' IMHO, and would make fitting the system to an earlier bike a good measure easier.

Hey Floyd,  This Mac system is already in Aussie, on the Gold Coast.


http://www.gumtree.com.au/s-ad/tweed-heads-region/parts/bmw-k100-4-1-chrome-exhaust-86-91/1046869073

It may say from '86 to '91 but if you put a '91 RS in they tell you that it doesn't fit! I assume that is because the '89 to '91 RS is a 16 valve, I don't see why it would not fit. Why buy from a company who have not done their homework?