©2005 Edelbrock Corporation
Catalog #5783 & #5789
Brochure No. 63-0366
Rev. 9/05 - DA/mc
EDELBROCK DIESEL EXHAUST SYSTEM
for 2001-2005 Chevrolet, GMC Duramax
Crew Cab, Long Bed & Extended Long Bed
Catalog #5783 & #5789
INSTALLATION INSTRUCTIONS
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
Please fill out and mail your warranty card.
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. Unbolt I-pipe from catalytic downpipe at flange.
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. Using the stock hardware with the supplied gasket, install
I-pipe onto catalytic converter flange then install hanger
clamp assembly #23-4047 onto I-pipe and into the
factory rubber isolator.
2. Install hanger clamp assembly #23-4048 into the next
rubber isolator.
3. Install hanger clamp assembly #23-4049 onto rear
muffler isolator.
4. Install muffler with end marked inlet toward front of truck.
5. Install overaxle pipe and slip into muffler.
6. Install tailpipe hanger #23-4050 into factory tailpipe
hanger and slide onto the end of the overaxle pipe.
7. Dual rear wheel applications required supplied tailpipe
extension (#25-3205). Install tailpipe (#25-3204) onto
overaxle and through tailpipe hanger clamp assembly.
8. 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.
9. Make one final inspection for clearance around brake,
fuel lines, and wiring.
WARNING!!!
Exhaust gas contains carbon monoxide, a deadly
invisible gas. Correct any leaks before driving!
KIT CONTENTS
Catalog #5783
Qty.
Part #
Description
❑
1
25-3197
I-pipe assembly
❑
1
25-3194
Overaxle pipe assembly
❑
1
25-3204
Tail pipe assembly
❑
1
25-3205
Tail pipe extension
❑
1
25-5571
Muffler assembly
❑
1
22-5783
Installation kit hardware
KIT CONTENTS
Catalog #5789
Qty.
Part #
Description
❑
1
25-3193
I-pipe assembly
❑
1
25-3194
Overaxle pipe assembly
❑
1
25-3204
Tail pipe assembly
❑
1
25-3205
Tail pipe extension
❑
1
25-5571
Muffler assembly
❑
1
22-5783
Installation kit hardware
Edelbrock Corporation, 2700 California St., Torrance, CA 90503
Tech Line: (800) 416-8628
Office: (310) 781-2222
E-Mail: [email protected]
