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RealTime diffuser, exhaust

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Just curious, lately I have noticed that PD is running events with the single right side exhaust tip only rather than dual tips ........ is that to control noise level or is there an inherent advantage as they have many exhausts that they use .......

Also, I have not seen a diffuser on his NSX! Wondering why not .........?
 
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A very possible reason that PD Cunningham is not running a diffuser is that it may be against the regulations. The Speedvision World Challenge has different regulations on aero packages, brake materials, etc for each car along with general regulations for the series. Also, I have not seen diffusers on the other cars competing in the GT or Touring classes.


Originally posted by Hrant:
Just curious, lately I have noticed that PD is running events with the single right side exhaust tip only rather than dual tips ........ is that to control noise level or is there an inherent advantage as they have many exhausts that they use .......

Also, I have not seen a diffuser on his NSX! Wondering why not .........?



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acrmotorsports_1681_33419


www.acrmotorsports.com
 
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Yep, I have his number ....... it's been quiet lately so I thought I stir the fourm a little ...
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oopps I meant get an interesting discussion going :p ........ bad boy Hrant .....
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May give them a call and plan for another BBQ event ........
 
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Andrew Armistead is very helpful guy. I talked in great length with him about brake system he designed. He is very secretive about the engine though. I can understand since they been getting lots of heat from other competitors. Last time in Sears Point they uses the single muffler for qualifying and dual for the race. Since then they uses the single muffler for qualifying and race.

This year, they are coming only to Laguna Seca. Let me know if I can be of any help.
 
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