Stainless Works Ford F-150 2011-2014 5.0L Headers User Manual
Page 2
WWW.STAINLESSWORKS.NET
800-878-3635
FAX: 440-543-9183
13. Remove (2) 6 mm bolts holding left and right heat shields to transmission cross
member.
14. Support transmission and transfer case with jack stands.
15. Remove (2) 12 mm nuts from transmission mount.
16. Remove (4) 12 mm bolts and nuts from cross member and remove cross member.
17. Remove (1) 10 mm bolt from left Y-pipe hanger.
18. Loosen clamp on left head pipe.
19. Unplug all O2 sensors.
20. Remove (2) 10mm nuts from left and (2) 10 mm nuts from right head pipes and
remove head pipes.
21. Reinstall cross member and mount and tighten.
22. If you are not planning to save the old exhaust, you can simply cut hangers from
Y-pipe to simplify removal of manifold pipes.
FOR CONNECTION TO ANY EXHAUST SYSTEM
23. Remove remaining (2) 6 mm bolts from right heat shield and slide heat shield
back toward the rear of the vehicle.
24. Remove starter and wires (1) 6 mm nut (2) 8mm nuts and (3) 8 mm bolts.
25. Mark steering shaft for later reinstallation to same markings, and remove (1) 10
mm bolt from upper U-joint and move out of the way.
26. Remove (2) 14mm nuts from right motor mount.
27. Raise motor with jack.
28. Remove right and left heat shields on manifolds (4) 6 mm bolts two per side.
29. Remove (16) 10 mm nuts, eight per side from manifolds and remove manifolds.
30. Remove all (16) 10 mm studs from heads.
31. Seal headers with RTV, allow the RTV to get tacky (about 15 minutes) and install
using remaining studs and nuts. Torque to OEM specifications.
32. Lower the motor and tighten nuts.
33. Re-install starter.
34. Re-install axle shield.
35. Re-install steering shaft.
36. Re-install right heat shield.
37. Re-install air box
38. Re-install (1) 6 mm bolt back in left heat shield at cross member.
39. Install left lead pipe to header with (1) 3” clamp.
40. Install catalytic converter or cat eliminator to left lead pipe.
41. Install rear left lead pipe to cat with 3” clamp with wire hanger.
42. Re-install left hanger to transmission grommet with (1) 3” clamp.
43. Install right catalytic converter or cat eliminator to header with one 3” clamp.