95 vulcan 800 w/vance and hines pipes. at low speeds it acts like the carb loads up.it hiccups and tries to stall pops back through the pipes and smokes but get it up to higher speeds it clears up.i put new float kit in and adjusted air screw one and a half turns.i need help !

 

did u chek on a ne jet kit when u put the pipe on the bike

 

Is the pipe a slip on or is it a full system. Either way you may require rejetting to get it right.

Did the bike run good before you added the pipe?