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Old 06-23-2016 | 08:01 AM
  #23  
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dan_vector
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Originally Posted by RoketRdr
Interesting. I was under the impression that the 9886 was just a reinforced 2015 for offroad use. Something definitely different between them with the results you're seeing. Sure wish they would get rid of the 7mm venturi rule. That would really open things up and let the GT class "fly".
Totally different pipes! The 9886 is 2 chamber and the 2015 is 3 chamber which is EFRA approved for noise reasons. We can't use the 9886 pipe in competition anymore due to the noise it makes. I agree though the power difference is huge!
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