6 Different Adapter Pipes & Fittings to make that universal exhaust fit your motorcycle.  Note that most of these require welding to your header pipe and will require attachment of your universal muffler's pipe spring hooks.  It is suggested you seek professional exhaust installation.  Sold individually, order two for dual exhaust or to have as a spare.

Option One Type A 50.8mm to 51mm to extend mid pipe already 50.5-50.8mm Welding Required Both Sides

Option Two Type B 50.8mm to 51mm to extend mid pipe already 50.5-50.8mm Welding Required One Side, 51mm Side has reliefs for clamp.

Option Three Type C 60mm to 51mm adapter  Welding Required

Option Four Type D 60mm to 51mm Adapter Collar Welding May Not Be Required Does Not Extend Length So You May Be Able To Use Muffler Springs

Option One Type A 50.8mm to 60mm Adapter  Welding Required Both Sides

Option One Type A 51mm to 35mm Adapter (Most Common) Welding Required Both Sides Rounded 35mm Tip  Makes Angling Muffler Easier.  Tack while on bike & remove whole exhaust for final weld.