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Mac 4 into 1 Exhaust...Low rpm stumble

Discussion in 'XJ Modifications' started by nyoung48, May 10, 2011.

  1. nyoung48

    nyoung48 New Member

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    maxim 750...new exhaust...At low end rpm it stumbles...anybody else have this problem with this exhaust?
     
    nyoung48, May 10, 2011
    #1
  2. kevineleven

    kevineleven Member

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    Prolly needs pods...
     
    kevineleven, May 10, 2011
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  3. Altus

    Altus Active Member

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    Forgive our apparent resident troll there :roll:

    Where in the RPM's is it stumbling? Is this warm, cold, both? Under load? Or while revving in neutral?

    I've got the 4-1 on my 650 (for about 12 years now), and because I also use a K&N filter (in the stock filter box Kevin) I had to modify (aka "re-jet") my carbs to make it run properly.
     
    Altus, May 10, 2011
    #3

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