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Please study these instructions carefully before installing your new Edelbrock Exhaust System. If you have any questions, please
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" ratchet and SAE & metric sockets
❑ Hacksaw, sawzall, chopsaw
Proper installation is the responsibility of the installer. Improper installation will void warranty and may result in
DISASSEMBLY
1. Lift and support vehicle on correct load rated jackstand
on stable surface.
2. Unclamp I-pipe from downpipe.
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
1. Install a 3-1/2" band clamp onto I-pipe #25-3254. Slide
onto catalytic converter/downpipe, with hanger assembly
#23-4047.
2. Install I-pipe B-section #25-3215 onto I-pipe using
hanger clamp #23-4061.
3. Install rear muffler hanger #23-4062 in factory isolators.
Install muffler with inlet facing forward. The inlet end of
the muffler is the end with the number stamped on the
end cap (#25-5571).
4. Install overaxle pipe and slip into muffler.
5. Install tailpipe hanger #23-4050 into factory tailpipe
isolator and slide onto the end of the overaxle pipe.
©2007 Edelbrock Corporation
Catalog #5790
®
IMPORTANT NOTE:
poor performance and engine or vehicle damage.
Edelbrock Corporation, 2700 California St., Torrance, CA 90503
Tech Line: (800) 416-8628
Office: (310) 781-2222
E-Mail: Edelbrock@Edelbrock.com
EDELBROCK DIESEL EXHAUST SYSTEM
for 2006-2007 Chevrolet, GMC 6.6L Duramax
INSTALLATION INSTRUCTIONS
❑ Jack and jackstands
❑ Liquid penetrant and rubber lubricant
6. Install tailpipe (#25-3204) onto overaxle and through
tailpipe hanger clamp assembly.
7. 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.
8. Make one final inspection for clearance around brake,
fuel lines, and wiring.
Exhaust gas contains carbon monoxide, a deadly
invisible gas. Correct any leaks before driving!
Qty.
Part #
❑ 1
25-3254
❑ 1
25-3215
❑ 1
25-3216
❑ 1
25-3204
❑ 1
25-5571
❑ 1
22-5790
Crew Cab, Short Bed
Catalog #5790
WARNING!!!
KIT CONTENTS
Description
I-pipe assembly (A)
I-pipe assembly (B)
Overaxle pipe assembly
Tail pipe assembly
Muffler assembly
Installation kit hardware
Brochure No. 63-5790
Rev. 8/07 - DA/mc
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