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Advice Please - Changing from 2 into 2 to 2 into 1

  • Thread starter Thread starter 450L
  • Start date Start date
4

450L

Guest
Hi

Hope someone can help.

I'm running an '82 GS450L and am looking to replace the old original twin exhaust system to a new Motad 2 into 1 system.

Will I have to adjust the carbs, if so what will I need to do?

TIA
 
From what I've read on here, if that's all you're changing you shouldn't need to change anything.

You should also get a slight power increase, a bigger noise increase, a nice weight reduction and a huge appearance improvement.
 
I would contact Motad and ask them if the pipe needs to be jetted. Stay away from pods and you should be OK.
 
I am about to do the same on an '81 GS450S only using the MAC 2 into1 system. Everything I have heard thus far just says install the exhaust and go, is there anything I should look out for that may be telling me the carbs need jetting post application?
 
Cut the engine at highway speed and see if the plugs are white. bring the jets up a size and raise the needles a notch if they are white, if they are tan leave them alone.
 
Thanks for the quick replies, useful knowledge :)

I have also heard direct from Motad, they claim no rejetting required, but I like the 'look at the plugs' suggestion, I think I'll do that check just to make sure.


Cheers :P
 
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