I would always get the bike tuned after changing exhaust.
Another positive of this exhaust is it drops a *ton* of weight-- it's probably half the weight of the H-D setup?
USAF: 1989-1997. Desert Shield (Saudi Arabia), Desert Storm (Kuwait, Iraq), Provide Comfort (Kurdistan), Restore Hope (Somalia), Uphold Democracy (Hati), Joint Endeavor (Bosnia), Support Hope (Rwanda). USAFR: 1997-2014. Iraqi Freedom (Iraq), Enduring Freedom (Afghanistan). Retired, Oct. 2014.