The CB1100 Community Forum

Here are the Numbers and Graph from the DYNO Run after installing Yoshimura Full Exhaust on my 2013 CB1100.

[url=http://s122.photobucket.com/user/rfro1/media/CB1100%20DYNO%20RUN/SCAN0001_zpscde7b78d.jpg.html]

[url=http://s122.photobucket.com/user/rfro1/media/CB1100%20DYNO%20RUN/SCAN0002_zps7101a11c.jpg.html]

(11-08-2014, 01:28 PM)Rick Froscheiser_imp Wrote: [ -> ]Here are the Numbers and Graph from the DYNO Run after installing Yoshimura Full Exhaust on my 2013 CB1100.

[url=http://s122.photobucket.com/user/rfro1/media/CB1100%20DYNO%20RUN/SCAN0001_zpscde7b78d.jpg.html]

[url=http://s122.photobucket.com/user/rfro1/media/CB1100%20DYNO%20RUN/SCAN0002_zps7101a11c.jpg.html]

Thanks for sharing Rick!

87 peak HP- seems reasonable to deduce that the yosh added somewhere in the ballpark of 4-8 HP compared to the stock runs we've seen (knowing that there are variations b/w bikes, dynos, atmospheric conditions, etc.). Also nice to see that torque curve remains nice and flat, while A/F ratios look healthy.

What does the butt-dyno say?


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It feels like the throttle responce is a little quicker to me. But that could just be me. I do like the looks better than the stock exhaust for the style of the bike.

I also installed the RSCV exhaust this year. I have not done the Dyno test for this so thank you Rick for posting your results.
I also feel that the throttle response is quicker but have not tested to prove it. I did measure the max sound that it produces. I did not get a specific at idle but the throttle produces 91db to 113db when being rev'ed. That is still more quiet than a silenced .22 rifle.