i had a fatcat system & sert installed..for about a 2 weeks on a 05 ultra...felt goo initialy...but now i seem to feel alot more vibration...notice it most at idle & when i pull the clutch in to cost...can the sert loose tuneing that quick ,,should i have it rechecked...?

 

If I were u I'd have it checked out fur sure.

 

ttt