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GS 450L Mac Exhaust

  • Thread starter Thread starter GS450Cafe
  • Start date Start date
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GS450Cafe

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I have a 1980 GS 450L that I converted into a cafe racer! I am trying to decide if I should buy the two into one Mac Exhaust and what size jets would be correct for the fuel and air mixture to optimize my performance. If anyone knows about my bike and the right jets I would appreciate the help!

Thanks, Brett from Minnesota.
 
Hi Brett and welcome.

Say g'day in the GS Owners section and BassCliff will give you your mega welcome, and that should give you lots of good tips including a method for plug chops. This is what you'll need to see if you get your jetting right.

I've heard mixed reports on the MAC system but there aren't many alternatives either.

It will also depend if you have the stock airbox or if you have gone to pod filters or something.
 
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