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What is a duplex exhaust? . Which do u think is better for a 92 1100. Reg. race only or Duplex Race only
 

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YAAFM Mod
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I have run them both and currently have a Non-duplex on my 90 and a Duplex on my 88. The Duplex is supposed to give more midrange boost but I have noticed a drop in peak with the Duplex.
Bones
 

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Yep, what bones said.

I have an 86 750 and use the duplex. I think its personal prefrence more than anything.
 

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And if you happen to have a Stainless one that you outbid me on for sale let me know.
Bones
 
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