Edelbrock 5790 User Manual

©2007 Edelbrock Corporation
Catalog #5790

Brochure No. 63-5790

Rev. 8/07 - DA/mc

EDELBROCK DIESEL EXHAUST SYSTEM

for 2006-2007 Chevrolet, GMC 6.6L Duramax

Crew Cab, Short Bed

Catalog #5790

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

[e-mail].

Suggested Tools for Installation:

❑ 3/8" ratchet and SAE & metric sockets ❑ Jack and jackstands
❑ Hacksaw, sawzall, chopsaw ❑ Liquid penetrant and rubber lubricant

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.

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.

WARNING!!!

Exhaust gas contains carbon monoxide, a deadly

invisible gas. Correct any leaks before driving!

KIT CONTENTS

Qty

. Part # Description

❑ 1 25-3254 I-pipe assembly (A)
❑ 1 25-3215 I-pipe assembly (B)
❑ 1 25-3216 Overaxle pipe assembly
❑ 1 25-3204 Tail pipe assembly
❑ 1 25-5571 Muffler assembly
❑ 1 22-5790 Installation kit hardware

Edelbrock Corporation, 2700 California St., Torrance, CA 90503

Tech Line: [phone]

Office: [phone]

E-Mail: [e-mail]

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.

®