Owners manual

Installation Instructions

Cat-Back Dual Sport Exhaust

Chevy Silverado / GMC Sierra 1500 6.2L Truck

Crew Cab, Short Bed (5.8”) 2/4wd

Double Cab, Standard Bed (6.6”) 2/4wd

Part #65666

ITEM

PART

QUANTITY

DESCRIPTION

999700802S

3.5" Headpipe

11238S

Superflow CFT Muffler

999700795S

2.25" Passenger Side Over Axle Tailpipe

999700796S

2.25" Driver Side Over Axle Tailpipe

500639

4.0" Rolled Stainless Tip

4170

3.5" Clamp

5756

2.25" Clamp

BO-906

Bolt kit for Tailpipe

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.

60X22X13 10/16

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Installation Instructions Cat-Back Dual Sport Exhaust Chevy Silverado / GMC Sierra 1500 6.2L Truck Crew Cab, Short Bed (5.8”) 2/4wd Double Cab, Standard Bed (6.6”) 2/4wd Part #65666 ITEM A B C D E F G H PART 999700802S 11238S 999700795S 999700796S 500639 4170 5756 BO-906 QUANTITY 1 1 1 1 2 1 2 2 DESCRIPTION 3.5" Headpipe Superflow CFT Muffler 2.25" Passenger Side Over Axle Tailpipe 2.25" Driver Side Over Axle Tailpipe 4.0" Rolled Stainless Tip 3.5" Clamp 2.
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Installation Instructions #65666 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.