Owners manual

Installation Instructions

Split Rear Cat-Back

GMC Yukon Denali 1500 6.2L AWD

Part #65680

A G B H C H E F

H D I,J H E F

ITEM PART QUANTITY DESCRIPTION

999700886S

3.5” Headpipe with flare and welded hanger

11238S

CFT muffler

999700813S

2.25” Passenger side overaxle tailpipe w/welded hangers

999700860S

2.25” Drivers side overaxle tailpipe w/welded hangers

999700861S

2.25” Exit pipes

500639

4” Rolled edge slash tips

4171

3.5” Clamp

5756

2.25” Clamp

800020

Drivers side tailpipe hanger

4240

Rubber Grommet

Thank you for purchasing our Gibson Exhaust System for your vehicle.

If you need further assistance, please do not hesitate to call our technical department at

(800) 528 -3044 Monday through Friday, 8am to 5 pm.

PAGE 1
Installation Instructions Split Rear Cat-Back GMC Yukon Denali 1500 6.2L AWD Part #65680 A ITEM A B C D E F G H I J PART 999700886S 11238S 999700813S 999700860S 999700861S 500639 4171 5756 800020 4240 G B QUANTITY 1 1 1 1 2 2 1 4 1 1 H C H D H E I,J F H E F DESCRIPTION 3.5” Headpipe with flare and welded hanger CFT muffler 2.25” Passenger side overaxle tailpipe w/welded hangers 2.25” Drivers side overaxle tailpipe w/welded hangers 2.25” Exit pipes 4” Rolled edge slash tips 3.5” Clamp 2.
PAGE 2
Installation Instructions #65680 When installing this exhaust system make sure to use proper safety precautions. Use jack stands when working under the vehicle, set parking brake, block tires and use safety glasses and gloves. Allow exhaust to cool before attempting installation. Severe injury or burns could occur if safety measures are not taken. SUGGESTED TOOLS: 1/2", 9/16", 15mm wrenches & sockets, WD-40, hacksaw, jack stands 1. Disconnect the negative battery cable before removal of OEM exhaust.