Edelbrock 5778 Installation Instructions
©2007 Edelbrock Corporation
Catalog #5778
Brochure #63-5778
Rev. 11/07 - AJ/mc
®
EDELBROCK DIESEL EXHAUST SYSTEM
for 2008 Ford 6.4L
Crew Cab, Long & Short Bed
Catalog #5778
INSTALLATION INSTRUCTIONS
Please study these instructions carefully before installing your new Edelbrock Exhaust System. If you have any questions, contact
our Technical Hotline at: 1-800-416-8628 , 7am - 5pm, Monday-Friday, Pacific Standard Time or e-mail us at
Edelbrock@Edelbrock.com.
Suggested Tools for Installation:
❑ 3/8" and 1/4” ratchet set and metric sockets
❑ 9/16” Combo wrench
❑ Hacksaw, sawzall, chopsaw
❑ Jack and jackstands
❑ Liquid penetrant and rubber lubricant
DISASSEMBLY
1.
Lift and support vehicle on correct load rated jackstand
on stable surface.
2.
Remove I-pipe from particulate filter outlet.
3.
Cutting overaxle pipe at rear of muffler will make
removing muffler, overaxle, and I-pipe assembly easier,
remove muffler, I-pipe, and overaxle at this time.
ASSEMBLY
Note:
When installing system, only snug the clamps
so that the system can be adjusted later.
1.
Install I-pipe #25-3317 using a 3-1/2” circle clamp from
the kit. If installing on long bed, also use hanger clamp
#23-4112.
Note:
On short bed trucks the I-pipe will need to be cut
down to 21” long. Cut the end opposite the down
swedge.
2.
Install muffler using a 4” band clamp and hanger clamp
#23-4108 from the kit.
Note:
Inlet end of the muffler is marked with the part
number: 25-5578.
3.
Remove the tailpipe isolator from the frame and install
overaxle pipe #25-3318. Then place the hanger in the
isolator and reinstall the isolator to the frame.
4.
Install the tailpipe assembly #25-3292 using a 4” band
clamp from the kit.
Note:
Customer can trim outlet to overaxle pipe for
personal preference on how far the tip sticks out at
this time.
Note:
It is recommended to weld tip to overaxle pipe for
added support.
5.
Starting at the front of the vehicle to rear, align and
tighten all clamps and hanger clamp assemblies. Position
system for clearance around surrounding hoses, lines,
cables, and frame members for best clearance.
6.
Make one final inspection for clearance around brake,
fuel lines, and wiring.
Drive vehicle and re-tighten
system.
WARNING!!!
Exhaust gas contains carbon monoxide, a deadly
invisible gas. Correct any leaks before driving!
Qty.
Part #
Description
❑ 1
25-3292
Tail pipe assembly
❑ 1
25-3317
I-pipe assembly
❑ 1
25-5578
Muffler assembly
❑ 1
25-3318
Overaxle pipe assembly
❑ 1
22-5778
Installation kit hardware
KIT CONTENTS
Edelbrock Corporation
2700 California St., Torrance, CA 90503
Tech Line: (800) 416-8628
E-Mail: Edelbrock@Edelbrock.com
INSTALLATION INSTRUCTIONS
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.