Sorry to hear Boule'tard,... but glad you caught the problem...
I throw enough crap out there, something's bound to help someone sometime....
I didn't realize, that there is a length difference between Sporty and Dyna... Mine just says for 883 and 1200cc Harley...
How long is the Dyna?... is it for 1340cc?"...
PS,.. after looking at it,... you could possibly shorten the muffler neck, and gain enough to clear?... Lot of trouble though...