Had my update done at Gargano's by Bob Jr. about 500 miles ago and have had NO issues with my :spyder:
How long have you had your :spyder:? Meaning, how many miles?
It might not be the update, rather your :spyder: may still be breaking in. I experienced sputtering, surging, backfiring, etc. (Hindle exhaust) during the first 600 hundred miles UNTIL I got her up on the highway and rode her hard and steady. Some of this may have been due to me being new to riding :dontknow:
Just a thought. Maybe we'll be able to hook up for a ride some time and compare notes