i am putting new exhuast with thunder baffles on my focker tonight, then tomorrow the stage one air cleaner. do i need to get the bike retuned or will it be ok??? any help thanks

 

Sigh, search is your friend.....

Here https://www.hdforums.com/m_3492938/m...tm.htm#3493364

 

If you don't do something, you'll be very sorry.

 

Yup, you should get the ECM recalibrated. Takes about&nbsp\\;a couple of hours on a dyno.&nbsp\\;