- Tighten "top" nut of front cyl flange to 9-18 in/lb. Tighten "bottom" nut to 100-120 in/lb. Final tighten "top" nut to 100-120 in/lb.
- Tighten "bottom" nut of rear cyl flange to 9-18 in/lb. Tighten "top" nut to 100-120 in/lb. Final tighten "bottom" nut to 100-120 in/lb.
Also, remember to re-torque all exhuast nuts after 50-miles to ensure everything's snug.