NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT PRIOR AGREEMENT AND WRITTEN PERMISSION OF
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! ! ! PLEASE READ ALL OF THE FOLLOWING INSTRUCTIONS CAREFULLY PRIOR TO INSTALLATION.
AT ANY TIME YOU DO NOT UNDERSTAND THE INSTRUCTIONS, PLEASE CALL THE FORD RACING
OVERVIEW:
The use of a floor hoist is recommended for this installation. If you do not have access to one, use a hydraulic floor
jack and jack stands to raise the vehicle.
KIT INCLUDES:
NOTE: Please check kit contents before starting work on the vehicle.
INSTALLATION INSTRUCTIONS:
STEP 1: Remove negative cable from battery.
STEP 2: Raise vehicle and apply parking brake.
STEP 3: Loosen clamp at the rear of the Y-pipe assembly and on the muffler (use penetrating oil if
Techline 1-800-367-3788 Page 1 of 5 IS-1850-0277
FAILURE TO DO SO MAY RESULT IN PERSONAL INJURY OR VEHICLE DAMAGE ! ! !
STEP 4: Use a screwdriver to lift retaining clip on clamp at rear of the Y-pipe and slide back (See Fig. 1).
NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT PRIOR AGREEMENT AND WRITTEN PERMISSION OF
FORD RACING PERFORMANCE PARTS.
Fig. 1
STEP 5: Remove pipe from muffler (cut pipe in front of the rear axle if ground clearance is an issue).
STEP 6: To remove muffler, spray penetrating oil on front inner hanger and pry rubber hanger free from the hook.
Slide the muffler toward the front of vehicle to remove from the other hangers.
STEP 7: Place X-pipe on the Y-pipe assembly to determine cut location (See Fig. 2). Be sure to center the new X-
pipe as best as possible to the center of the vehicle (See Fig. 3). Mark the end of the tube with tape (See
Fig. 4). Measure back 1½ inches (40 mm) from the tape and mark the cut line with tape (See Fig. 5 & 6).
Fig. 2 Fig. 3 Fig. 4
Fig. 5 Fig. 6
Techline 1-800-367-3788 Page 2 of 5 IS-1850-0277
Factory Ford shop manuals are available from Helm Publications, 1-800-782-4356
STEP 8: Cut the Y-pipe and de-burr the inside and outside of the pipe (See Fig. 7 & 8).
NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT PRIOR AGREEMENT AND WRITTEN PERMISSION OF
FORD RACING PERFORMANCE PARTS.
Fig. 7 Fig. 8
STEP 9: Remove the right hand Y-pipe tube and loosen the left hand (be sure to unplug sensor on right hand side
before removing).
STEP 10: Use penetrating oil to lubricate the end of the Y-pipe tubes. Slide the X-pipe over the left hand Y-pipe
tube and then insert the right hand tube into the X-pipe and reattach it to the exhaust manifold installing
nuts hand tight. Re-connect the sensor connector (See Fig. 9).
Fig. 9
STEP 11: Tighten pipe to manifold nuts.
STEP 12: Install left hand muffler hangers. Tap bosses using M8 X 1.25 tap and then install hanger with M8 bolts.
Techline 1-800-367-3788 Page 3 of 5 IS-1850-0277
Factory Ford shop manuals are available from Helm Publications, 1-800-782-4356