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Sundowner Formula 1 tuned pipe

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Sundowner Formula 1 tuned pipe

Old 12-16-2008, 06:07 PM
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Default Sundowner Formula 1 tuned pipe

Hey Mike,
I started on my new H9 Sundowner today. Everything checkout ok. I also purchased the Evolution 26gx and a side mount muffler. I also ordered the matching tuned pipe. My question is: Will the header extend down far enough to mount the tuned pipe? I know I will have to change the timing, but do you think I will see an improvement? I have been flying the H9 Cap232g with the Evolution 45gx2 for about two years without any problems. After reading hours of the RCU forums, I found a few complaints about structural defects in the Sundowner mostly motor box and fuselage near the vertical stab. Any comments or suggestions? I also read that those problems were corrected. I really like the plane and I am looking foward to seeing it making those high speed passes over the runway.

George G. Royal
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Old 12-19-2008, 04:19 PM
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Default RE: Sundowner Formula 1 tuned pipe

I dont have any experience wi thte engine/pipe so I cant say how much improvement you'll get or if the header bend is approprite for the Sundowner. Sorry, not much help I know.
Old 01-02-2009, 02:31 PM
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Default RE: Sundowner Formula 1 tuned pipe

I have found this web site for the EVO 26 and tuned pipe, this guy really knows what he's talking about and I know because I have the same engine and tuned pipe.


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