The optional noise damper fits on OEM Slip-On Line (Titanium) S-B10SO15-HGFTB and First Fit Muffler (Titanium) M-HGF00305TB and M-HGF00405TB for BMW S1000RR, S1000R, S1000XR, M1000R, M1000XR and M1000RR.This product do not fit on aftermarket exhaust systems for the models listed above. Homologation W/O Approval
