Owners manual

Installation Instructions

Stainless Cat-Back Dual Extreme Exhaust

Chevy Silverado / GMC Sierra 1500 Truck

Crew Cab, Short Bed, 4.8L-5.3L-6.0L 2/4wd

Extended Cab, Standard Bed, 4.8L-5.3L 2/4wd

* Designed specifically for vehicles equipped with Active Fuel Management *

Part #65637

ITEM

PART

QUANTITY

DESCRIPTION

1369-701117S

3" Stainless Headpipe

11235S

Superflow CFT Stainless Muffler

1229-700986S

2.25" Stainless Passenger Side Over Axle Tailpipe

1230-700987S

2.25" Stainless Driver Side Over Axle Tailpipe

1231-700988S

2.25" Stainless Exit Pipe

OHD300

3" Clamp

5756

2.25" Clamp

4342

Driver Side Rear Hanger

BO-101

Bolt Kit for Hanger

4240

Rubber Grommet

500395

3.5" Stainless Tips

ZIP

Zip Ties

S103

Tab

1323-701092S

Stainless Adapter

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 Stainless Cat-Back Dual Extreme Exhaust Chevy Silverado / GMC Sierra 1500 Truck Crew Cab, Short Bed, 4.8L-5.3L-6.0L 2/4wd Extended Cab, Standard Bed, 4.8L-5.3L 2/4wd * Designed specifically for vehicles equipped with Active Fuel Management * Part #65637 ITEM A B C D E F G H I J K L M N PART QUANTITY DESCRIPTION 1369-701117S 1 3" Stainless Headpipe 11235S 1 Superflow CFT Stainless Muffler 1229-700986S 1 2.25" Stainless Passenger Side Over Axle Tailpipe 1230-700987S 1 2.
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Installation Instructions #65637 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.