2021 ROUSH Performance F-150 Service Manual
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2021 ROUSH Performance F-150 Service Manual
8. Install one (1) 2.5" clamp onto each of the exhaust tips and slide the tips onto the ends of the Y-pipe. Position
the clamps on the pipe joints and loosely secure the clamps.
9. Insert one (1) 3" clamp over the end of the new Y-pipe assembly and slide into position on the end of the
muer outlet pipe.
10. Insert the Y-pipe hanger into the hanger bracket. It is important to note the orientation of the bracket as it will
hang underneath the suspension bracket.
11. Slide the new rear tailpipe support bracket between the head of the bolt and the frame. Re-torque the bolt to
185 Nm. When torquing the leaf spring bolt, this must be done with the vehicle on the ground, not on a hoist.
The vehicle must be under its own weight.
12. With the full system now hanging in the vehicle, make sure all of the hangers are fully seated and there are
no clearance issues with vehicle parts contacting the exhaust system.
13. With the system in the desired position, torque all four (4) 3" clamp joints to 50 Nm (36.88 ft-lb).
14. Torque the two (2) catalyst adapter bolts to 44 Nm (32.45 ft-lb).
15. Torque the two (2) 2.5" clamps on the tips to 50 Nm (36.88 ft-lb).