JBA 6675SJT - Manual (Page 3)

Driver side:
4. Remove the nut on the driver side motor mount to allow the engine to be raised.
5. Remove the nuts attaching the manifold to the cylinder head.
6. Raise the engine approximately 1”, remove the manifold. With the manifold out - lower the engine.
7. Remove the two lower rear exhaust studs, and the three rear top studs. Remove the dipstick.
8. (A) Remove the lower bolt from the steering shaft coupler at the power steering rack. (B) Remove the bolt
attaching the steering rack to the frame on the driver’s side. Loosen the same bolt on the passenger side. (C)
Slide the power steering rack forward on the driver’s side approx. 1”. (D) Remove steering shaft coupler from
the rack. (See images)
9. Reinstall one of the factory gaskets on the remaining studs.
10. Raise engine about 1” and install the new JBA Header. Install the supplied bolts w/ lock washers where you
removed the studs. Re-install the dipstick. You will have to space the top mount away from the head with the
spacer provided. Reconnect the steering coupler, move the Rack back into place.
Replace the mounting bolt and tight both bolts securely. Lower engine, replace mount nut.
Note: To ensure a tight seal - use an alternating torque sequence to snug the header to the head working both
top and bottom bolts in evenly. Failure to do this will result in leaks.
Passenger Side:
11. Remove the passenger side motor mount nut to allow the engine to be raised. Remove the three bolts from
the starter. Let it rest on the frame for now. Raise the engine approximately 1” - then unbolt and remove the
manifold.
12. Leave the top forward stud in place, remove the other seven.
Reinstall the the remaining factory gasket.
13. Slip the new header into place. (With the engine raised, slip the
header past the starter boss till the boss is between the 3rd and 4th
tubes. Then lower the engine until the header will slip over the starter
boss. Then raise the engine up to finish the placement of the header.
You will have to lower it to finish the installation). Replace the motor
mount nut, and tighten securely.
14. Replace the starter. Install the 02 sensors into the headers using a
light dab of anti sieze. Connect the O2 sensors using the supplied extension harnesses.
15. For 6675S headers complete with JBA H-pipe p/n 6675SH (no cats) or 6675SHC (with cats) or for 6673S
headers use p/n 6673SH (no cats). Re-connect the exhaust. Reconnect the battery cable. Recheck everything for
adequate clearance on A/C lines, steering shaft, brake lines, etc.
16. Start the engine and let it warm up. Check for leaks. Shut engine off and let it cool down. Check to make
sure all fasteners are tight.
17. Periodically check and retighten the header bolts