HMF swamp series an fuel optimzer on 2015 renegade 1000 xxc issue?

I have a 2015 renegade 1000 xxc i recently put a hmf swamp series slip on and 3.5 gen hmf fuel optimizer with the base tune and im getting a pop or kind of miss fire/ hiccupe when first letting off throttle. has anyone else had this problem or know whats causing it thanks