Gibson Dual Extreme Cat-Back Exhaust System for Silverado 1500/Sierra 1500 | GIB186682

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Fitment Info

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  • Not your vehicle? See all Gibson Dual Extreme Cat-Back Exhaust Systems
  • Increases horsepower and torque in the rpm range with a more aggressive sound
  • Catalog Number: Gibson 5665
  • Fits: Chevrolet Silverado 1500, GMC Sierra 1500 (check fitment chart for compatibility)
Details

Gibson Dual Extreme Cat-Back Exhaust System for Silverado 1500/Sierra 1500 | 186682

Product Specifications:

  • Diameter (IN): 3-1/2 Inch to 2-1/4 Inch
  • Exhaust Tip Material: Stainless Steel
  • Exhaust Tip Size (IN): 4 Inch
  • Exhaust Tip Type: Slash-Cut
  • Exhaust Type: Single
  • Exit Position: Split Swept Side Rear Exit
  • Includes Exhaust Pipe Muffler Delete: No
  • Includes Exhaust Tip: Yes
  • Includes Hardware: Yes
  • Includes Muffler: Yes
  • Material: Steel
  • Muffler Brand: Superflow
  • Muffler Configuration: Single Inlet And Dual Outlet
  • Muffler Quantity: 1
  • Outlet Type: Dual
  • Required Welding: No
  • Sound Level: Aggressive
  • Type: Cat-Back

Fitment Chart:

YearsMakeModelSubmodelBody TypeBed LengthLitersCylindersNotes
2018ChevroletSilverado 1500High CountryCrew Cab Pickup6' 6" Foot Bed6.2LV8Aluminized; 3.5in./2.25in. Tubing; 8in. Rd Body; 3in. Offset In/2.25in. Dual Outlet; L-24in.; 4in. Slash-Cut Tip; Exit Front Of Rear Tire; 50 State Legal / California Emissions Compliant
2018ChevroletSilverado 1500LTZCrew Cab Pickup6' 6" Foot Bed6.2LV8Aluminized; 3.5in./2.25in. Tubing; 8in. Rd Body; 3in. Offset In/2.25in. Dual Outlet; L-24in.; 4in. Slash-Cut Tip; Exit Front Of Rear Tire; 50 State Legal / California Emissions Compliant
2018GMCSierra 1500DenaliCrew Cab Pickup6' 6" Foot Bed6.2LV8Aluminized; 3.5in./2.25in. Tubing; 8in. Rd Body; 3in. Offset In/2.25in. Dual Outlet; L-24in.; 4in. Slash-Cut Tip; Exit Front Of Rear Tire; 50 State Legal / California Emissions Compliant
2018GMCSierra 1500SLTCrew Cab Pickup6' 6" Foot Bed6.2LV8Aluminized; 3.5in./2.25in. Tubing; 8in. Rd Body; 3in. Offset In/2.25in. Dual Outlet; L-24in.; 4in. Slash-Cut Tip; Exit Front Of Rear Tire; 50 State Legal / California Emissions Compliant
2014-2018ChevroletSilverado 1500High CountryCrew Cab Pickup5' 9" Foot Bed6.2LV8Aluminized; 3.5in./2.25in. Tubing; 8in. Rd Body; 3in. Offset In/2.25in. Dual Outlet; L-24in.; 4in. Slash-Cut Tip; Exit Front Of Rear Tire; 50 State Legal / California Emissions Compliant
2014-2018ChevroletSilverado 1500LTZCrew Cab Pickup5' 9" Foot Bed6.2LV8Aluminized; 3.5in./2.25in. Tubing; 8in. Rd Body; 3in. Offset In/2.25in. Dual Outlet; L-24in.; 4in. Slash-Cut Tip; Exit Front Of Rear Tire; 50 State Legal / California Emissions Compliant
2014-2018GMCSierra 1500DenaliCrew Cab Pickup5' 9" Foot Bed6.2LV8Aluminized; 3.5in./2.25in. Tubing; 8in. Rd Body; 3in. Offset In/2.25in. Dual Outlet; L-24in.; 4in. Slash-Cut Tip; Exit Front Of Rear Tire; 50 State Legal / California Emissions Compliant
2014-2018GMCSierra 1500SLTCrew Cab Pickup5' 9" Foot Bed6.2LV8Aluminized; 3.5in./2.25in. Tubing; 8in. Rd Body; 3in. Offset In/2.25in. Dual Outlet; L-24in.; 4in. Slash-Cut Tip; Exit Front Of Rear Tire; 50 State Legal / California Emissions Compliant
2014-2017ChevroletSilverado 1500High CountryCrew Cab Pickup6' 6" Foot Bed6.2LV8Aluminized; 3.5in./2.25in. Tubing; 8in. Rd Body; 3in. Offset In/2.25in. Dual Outlet; L-24in.; 4in. Slash-Cut Tip; Exit Front Of Rear Tire; 50 State Legal / California Emissions Compliant
2014-2017ChevroletSilverado 1500LTZCrew Cab Pickup6' 6" Foot Bed6.2LV8Aluminized; 3.5in./2.25in. Tubing; 8in. Rd Body; 3in. Offset In/2.25in. Dual Outlet; L-24in.; 4in. Slash-Cut Tip; Exit Front Of Rear Tire; 50 State Legal / California Emissions Compliant
2014-2017GMCSierra 1500DenaliCrew Cab Pickup6' 6" Foot Bed6.2LV8Aluminized; 3.5in./2.25in. Tubing; 8in. Rd Body; 3in. Offset In/2.25in. Dual Outlet; L-24in.; 4in. Slash-Cut Tip; Exit Front Of Rear Tire; 50 State Legal / California Emissions Compliant
2014-2017GMCSierra 1500SLTCrew Cab Pickup6' 6" Foot Bed6.2LV8Aluminized; 3.5in./2.25in. Tubing; 8in. Rd Body; 3in. Offset In/2.25in. Dual Outlet; L-24in.; 4in. Slash-Cut Tip; Exit Front Of Rear Tire; 50 State Legal / California Emissions Compliant

 

Dual Extreme Cat-Back Exhaust System

Dual Extreme Cat-Back Exhaust System

It is incredible how much power your Chevrolet Silverado 1500 can take with this Gibson 5665 Dual Extreme Cat-Back Exhaust. This exhaust will increase your horsepower and torque in the rpm range, giving you the ultimate performance, and a deep, aggressive sound. The superflow muffler ensures there is zero restriction as the mandrel-bent tubing allows smooth and fast movement of gases. This exhaust system is street legal in all states.

Aluminized heavy duty or stainless steel tubing

Aluminized heavy duty or stainless steel tubing

The exhaust is available in two choices; aluminized heavy duty and stainless steel tubing. Each of the choices comes with polished dual T304 stainless steel clampless tips. Whichever choice you make, you can be sure it will last you long, and even better both the aluminized and stainless tubing are rust-resistant.

Baffled and chambered Superflow muffler

Baffled and chambered Superflow muffler

The exhaust system has a baffled and chambered superflow muffler which has only as low as 5% restriction of flow. This is against the usual 34% restriction with stock mufflers and 20% with most aftermarket mufflers. With this type of muffler, you can be sure of a continuous improvement in Chevrolet Silverado 1500 performance.

Mandrel bent tubing

Mandrel bent tubing

Gibson 5665 Dual Extreme Cat-Back Exhaust features mandrel-bent tubing. Such tubings are meant to reduce restriction and to ensure a smooth and fast flow of gases. The bends will also not crack or kink like the usual bends and this will ensure longer durability.

Increased fuel economy

Increased fuel economy

Besides performance and sound improvement, this exhaust system will also improve your fuel economy especially when at cruising speed.

Dyno tuned

Dyno tuned

This exhaust system is dyno tuned for the specific application and this is to ensure it offers maximum Chevrolet Silverado 1500 performance. It is also tested being released into the market to ensure it meets all the requirements.

No welding required

No welding required

The installation of this Gibson 5665 Dual Extreme Cat-Back Exhaust is relatively easy and because no welding is necessary it will not take as much time and effort as most Cat-back systems.

Limited lifetime warranty

Limited lifetime warranty

A limited lifetime warranty is provided on every exhaust you purchase and this is an assurance that the product will live up to your expectation in terms of workmanship and material and that it will not have any manufacturing defects.

Proudly made in the USA

Proudly made in the USA

Gibson is a leading manufacturer of exhaust systems, mufflers headers, and other performance products. The company is based in the USA and it is highly reputable and known for its products that offer high performance and long-lasting durability.

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