Edelbrock 5737 User manual

Brochure #63-0369

Rev. 11/06 - DA/mc

Page 1 of 2

Catalog #5737

Edelbrock Cat-Back Exhaust System

For 2003-2006 Hummer H2 6.0L V8 4WD

Catalog #5737

INSTALLATION INSTRUCTIONS

Please study these instructions carefully before installing your new Cat-back 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

[email protected].

Suggested Tools for Installation:

❑3/8" ratchet set with SAE and metric sockets

❑9/16” & 15mm wrench

❑Jackstands and jack

❑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 and clamps from the system and

lubricate the rubber isolators.

5. Use a long pry bar to pull the rubber isolators 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.

Note: Carefully check all rubber isolators that the exhaust

system attaches to for wear, cracks, and fatigue.

Replace as necessary.

ASSEMBLY

1. Install I-Pipe to factory outlet flange (behind catalytic

converters). Use supplied 2-1/2” clamp for slip fit end.

Note: Do not tighten flange bolts or clamp at this time,

(snug only).

2. Slip the muffler onto the intermediate pipe with a

3" clamp on the front. Note: Inlet end of muffler is

marked. Snug the clamp so you can adjust the system

later.

3. Install a 3" band clamp on the front of the overaxle pipe

and engage it into the stock rubber isolators as you slip

it into the muffler. Snug the clamp.

4. Install hanger clamp assembly onto I-pipe and engage

into stock rubber hanger. Snug clamp to pipe. Hanger

bar should be level.

5. Working from the front of the system, align and tighten

each pipe from the cat-back.

6. Check for clearance to body, frame, and driveline as

you tighten the system from front to rear.

7. 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.

INSTALLATION INSTRUCTION

Brochure #63-0369

Rev. 11/06 - DA/mc

Page 2 of 2

Catalog #5737

KIT CONTENTS

Catalog #5737

Qty.Part # Description

1 23-4040 Hanger Clamp Assembly

1 25-3191 I-Pipe

1 25-3192 Overaxle Pipe

1 25-5572 Muffler

1 46-6610 2 1/2” Clamp

3 46-6612 3” Band Clamps

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 replace-

ments. If you original system has been modified,

Edelbrock will not warranty fit or performance.

I-Pipe Assembly

Overaxle Pipe Assembly

Hanger

Edelbrock Corporation

2700 California St.

Torrance, CA 90503

Tech Line: (800) 416-8628

E-Mail: [email protected]

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