Edelbrock 5747 User Manual

©2007 Edelbrock Corporation
Catalog #5747

Brochure No. 63-0504

Rev. 8/07 - DA/mc

Page 1 of 2

EDELBROCK CAT-BACK EXHAUST SYSTEM

For 2007-2008 Tahoe, Yukon XL, Suburban, & Avalanche

5.3L V8, 2WD & 4WD

Catalog #5747

INSTALLATION INSTRUCTIONS

Please study these instructions carefully before installing your new Edelbrock Cat-Back 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 set and metric sockets ❑ 9/16” and 15mm wrench
❑ Jack and jackstands ❑ Liquid penetrant and rubber lubricant

DISASSEMBLY

1. Raise vehicle and support with proper jackstands for
the weight, leaving the suspension hanging.

2. Use caution around hot exhaust systems to avoid
burns.

3. Use penetrating oil on all nuts and bolts.

4. Remove the bolts, nuts, and clamps from the system
and lubricate the rubber hangers.

5. Use a long pry bar to pull the rubber hangers off of
the pipe hangers.

6. Remove the old system. In some cases, you will find
it easier to cut the overaxle pipe to remove it.

ASSEMBLY

1. Install I-pipe to factory outlet flange (behind catalytic
converters). NOTE: Do not tighten flange bolts

at this time (snug only).

2. Suburban, Yukon XL, & Avalance Only:
Install I-pipe extension onto outlet of I-pipe using

supplied 3” band clamp.

3. Install the muffler onto the intermediate pipe with a
3” band clamp on the front. NOTE: Inlet end of
muffler is marked. Snug the clamp so you can adjust
the system later.

4. Place a 3” band clamp on the outlet of the muffler.

5. Install the overaxle pipe and engage it into the stock
rubber hanger isolators in front of the axle. Snug the
clamps.

6. Install hanger clamp #23-4077 onto the outlet end of
the overaxle pipe. Arc of U-bolt will face toward
center of vehicle. (This hanger clamp can be used to
adjust the exhaust system).

7. Install tailpipe onto overaxle pipe, install 3” band
clamp and snug clamp.

8. Install hanger clamp #23-4076 onto I-pipe and
engage into factory isolator and snug the clamp.

9. Install hanger clamp assembly #23-4094 onto front
of overaxle pipe, engage into O.E. isolator, align
clamp and snug U-bolt nuts.

10. Check for clearance to body, frame, and driveline as
you tighten the system from front to rear.

11. Check for leaks and correct, if necessary.

WARNING!!!

Exhaust gas contains carbon monoxide, a deadly invisible gas.

Correct any leaks before driving!

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.

©2007 Edelbrock Corporation
Catalog #5747

Brochure No. 63-0504

Rev. 8/07 - DA/mc

Page 2 of 2

KIT CONTENTS

Catalog #5747

Qty

. Part # Description

❑ 1 25-3239 I-pipe Front
❑ 1 25-3268 I-pipe Extension
❑ 1 25-3240 Overaxle Pipe
❑ 1 25-3223 Tail pipe
❑ 1 25-5572 Muffler
❑ 1 22-5747 Installation Kit

WARNING: Support your vehicle with proper
jackstands or ramps rated for the total vehicle weight.
Place stands so that the rear axle is allowed to hang
free for easy system removal.

WARNING: These cat-back systems are engineered
to fit stock catalytic converters or equivalent
replacements. If you original system has been
modified, Edelbrock will not warranty fit or
performance.

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

Tech Line: [phone]

Office: [phone]

E-Mail: [e-mail]