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Do I need dyno?

2K views 6 replies 6 participants last post by  GuyHD 
#1 ·
Question:
I have a 2011 RGU. I put on the Vance and Hines hi output slip ons long time ago. I'm planing to do the power duals, AC and tuner. Thinking of the SE race tuner and Harley Air breather. My question is: the dealer says if I do all of this I HAVE to do the dyno.
If I get the fuel moot power vision or the sorts, doi need dyno? Or is it just install all and tune on your own?

Thanks
 
#6 ·
Your changing the airflow, fuel ratio big time - spending a lot of $ on the improvements - the Dyno is a must if you want to get all you paid for, plus you eliminate the back presure / back fire chance....:eek:
 
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