Take a look at these plugs ....
Seasoned HDF Member
Joined: Jun 2015
Posts: 10,284
Likes: 7,766
From: West Central FL
The ring on that left plug looks a little wet Maybe a bit of oil? Both insulators look awfully white which could indicate you're running to lean or too hot of a plug. Right isulator also has some dark specs which indicates preignition/detonation. Ground straps look kind of gold. Could mean too lean or too high of a heat range plugs. But everybody says you can't go by plugs anymore. They say you have to use an AFR gauge. 
Road Master
Joined: Feb 2014
Posts: 804
Likes: 237
From: TN
If you went from mufflers to a less restrictive exhaust, there is a good chance it is running leaner than it should be. The ecm can only compensate so much. If you have a performance air filter as well you need to fatten(rich) it up a bit.
Advanced
Joined: Jan 2016
Posts: 91
Likes: 38
From: West Virginia
as Kingglide said, "pissin in the wind without numbers" but just from the visual you gave and looking at the goodies on the right side of your bike, I am guessing just a touch lean...Not melt down lean but better gas mileage than expected lean. Probably runs a little flat and gets 45-50 mpg easily? Bump the fuel up with a programmer a little or add restriction if you don't have baffles.
Banned
Joined: May 2018
Posts: 4,576
Likes: 978
From: Viet Vet, crossroads
as Kingglide said, "pissin in the wind without numbers" but just from the visual you gave and looking at the goodies on the right side of your bike, I am guessing just a touch lean...Not melt down lean but better gas mileage than expected lean. Probably runs a little flat and gets 45-50 mpg easily? Bump the fuel up with a programmer a little or add restriction if you don't have baffles.
When their bikes quit besides the road, just play the dam music louder....I will know what your priorities were........
Advanced
Joined: Jan 2016
Posts: 91
Likes: 38
From: West Virginia
🤣 very true. I have a power vision and it's the s#$%.
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