©2006 Edelbrock Corporation
Brochure #63-0484
Catalog #5684
Rev. 11/07- AJ/mc
EDELBROCK CAT-BACK EXHAUST SYSTEM (SPLIT OUT REAR EXIT)
for 2004-2008 Ext. & Crew Cab with Short Bed Ford F-150 Pick-Up Trucks
with 2 & 4WD, 4.6L / 5.4L V8 Engine
Catalog #5684
INSTALLATION INSTRUCTIONS
Application: Designed for 2004-2008 extended and crew cab with short bed Ford F-150 pick-up trucks, 2 & 4WD with 4.6L, 5.2L
V8 engine. NOTE: Split exhaust systems on four-wheel drive vehicles may require removal or relocation of spare tire.
Suggested Tools for Installation:
❑ 3/8” rachet set with SAE and metric sockets ❑ 9/16” and 15mm wrenches
❑ Jackstands and jack ❑ Liquid penetrant and rubber lubricant
❑ Long pry bars (for removing rubber-mounted hangers) ❑ Hacksaw (to cut intermediate pipe to required length)
❑ Tape measure
DISASSEMBLY
1. Raise vehicle and support with the proper jackstands,
leaving the rear suspension hanging.
2. Use caution around hot exhaust systems to avoid burns.
3. Use penetrating oil on all nuts and bolts, and rubber lube on
the rubber hangers.
4. Remove all nuts, bolts, and hangers from the rear of the
catalytic converter to the tailpipes.
5. Remove the old exhaust system.
INSTALLATION
1. Unbolt the tailpipe isolator bracket from frame and unclip
the clipped nut on the inside of the frame rail. Reposition
the removed cliped nut to the bottom of the frame rail on the
left side of the vehicle, use the hole that are in the same
general location as the right side.
2. Install tailpipe frame hanger assembly #23-4065 to the
bottom of the left side frame using the OEM bolt and the
relocated clipped nut. Install tailpipe frame hanger
assembly #23-4069 to the right side frame rail, both
hangers should be hung so that the bullnose points to the
outside of the vehicle and toward the front. Only snug the
bolts at this time.
3. Install muffler hanger assembly #23-4064 into muffler
isolator.
4. Slide overaxle assembly into the vehicle and bolt it to the
muffler hanger assembly using supplied hardware, only
snug at this time. Using supplied isolators, hang overaxle
on the installed tailpipe hangers.
Please study these instructions carefully before installing your new Cat-Back Exhaust System. If you have any questions, please
contact our Technical Hotline at: 1-800-416-8628, 7:00 am to 5:00 pm, Monday through Friday, Pacific Standard Time or e-mail
us at Edelbrock@Edelbrock.com
.
WARNING: Exhaust gas contains carbon monoxide, a deadly invisible gas. Correct any leaks before driving!
5. Bolt the muffler to the overaxle pipe flange using the
supplied gaskets and hardware.
6. Install I-pipe #23-3217 onto the catalytic converter outlet
pipe. Check the length of the I-pipe. Some vehicles will
require trimming due to various wheelbases. Mark and cut
the I-pipe if needed at this time. Remember that the I-pipe
must slide into the muffler nipple at least 2”; this must be
accounted for before cutting the pipe.
7. Slide I-pipe hanger assembly #23-4063 onto the I-pipe and
install the I-pipe onto the catalytic converter outlet pipe and
muffler using the supplied band clamps.
8. Install the left tailpipe #25-3219, right tailpipe #25-3220
and the polished exhaust tips with the supplied clamps, only
snug clamps at this time.
9. Working from the front to the rear of the system, align and
tighten clamps, being careful to give adequate clearance for
fuel lines, brake lines and spare tire.
Edelbrock Corporation, 2700 California Street, Torrance, CA 90503
Tech Line: 1-800-416-8628 E-mail: Edelbrock@Edelbrock.com
KIT CONTENTS
Qty. PN Description
1 23-4063 I-pipe hanger
1 23-4064 Muffler hanger
1 23-4065 Tailpipe hanger left
1 23-4069 Tailpipe hanger right
1 25-3217 I-pipe
1 25-3218 Overaxle
1 25-3219 Tailpipe left
1 25-3220 Tailpipe right
1 25-5582 Polished tips
1 25-55725 Muffler
1 22-5684 Installation Kit
IMPORTANT NOTE:
Proper installation is the responsibility of the installer. Improper installation will void warranty and may result in poor
performance and engine or vehicle damage.
®
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