DB-killer for Termignoni slip on Ducati Streetfighter D10609440ICI

Db-killer (1 piece, this twin slip on silencer system needs 2 pieces) for Ducati Streetfighter. for following exhaust : references :

Reference Ducati 96454711B (Termignoni D106),

Reference Ducati 96454811B (Termignoni D106 + D128)

Reference Ducati 96480661A (Termignoni D106)

Reference kits Ducati Performance 96454610B, 96454711B et 96455010B.