Put the biggest jet set possible, note that each carb has a different stock jet.
Here is the best link to do the job. Step by step with good pictures. Shim your needles or use needles with multiple notches and put the c clip in the second notch from the pointy end for starters. C Clip too far from the tip will cause it to pop back thru the carbs, that is too lean.
http://www.vstar1100.com/1100jetting.pdf
I went with a Cobra 2 into 1 pipe & muffler and very pleased. Good luck
Here is the best link to do the job. Step by step with good pictures. Shim your needles or use needles with multiple notches and put the c clip in the second notch from the pointy end for starters. C Clip too far from the tip will cause it to pop back thru the carbs, that is too lean.
http://www.vstar1100.com/1100jetting.pdf
I went with a Cobra 2 into 1 pipe & muffler and very pleased. Good luck