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Gibson Exhaust 616516 Cat-Back Single Exhaust System Stainless Steel

(2011-2019 Chevrolet Silverado 2500 HD; 2011-2019 Chevrolet Silverado 3500 HD; 2011-2019 GMC Sierra 2500 HD; 2011-2019 GMC Sierra 3500 HD)

Part of: Gibson Performance Single Side Cat-Back Exhaust System

Other options in this family: Gibson Exhaust 619995 Gibson Exhaust 319675 Gibson Exhaust 315536 Gibson Exhaust 618815B Gibson Exhaust 315599

Manufacturer

Picture for manufacturer Gibson Exhaust

Part Number

616516
6 reviews
Sale Price

$883.34

Estimated ship date Tuesday, November 17

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Product Details

The Gibson Performance 616516 Cat-Back Single Exhaust System is a bolt-on stainless steel performance exhaust engineered to deliver maximum power where you need it most. Built with stainless steel mandrel-bent tubing and featuring Gibson's proven Superflow muffler, this system is dyno-tested to produce peak torque and horsepower gains in the low-end RPM range — right where everyday driving, towing, and hauling demand it most.

Performance & Sound:

  • Dyno-proven horsepower gains of 10–15 HP and torque increases of 15–20 lb-ft
  • Maximum power output at 1,800–3,000 RPM — ideal for towing, hill climbing, and passing
  • Exits behind the rear tire in the stock location for a clean, factory-style appearance
  • Quieter cabin noise compared to competing performance exhaust systems

Muffler Specifications:

  • Design: Baffled and chambered — no internal packing
  • Sound character: Minimal interior drone with an aggressive exterior tone
  • Body dimensions: 8 x 11 x 24 in. oval body
  • Inlet: 3.50 in. offset | Outlet: 3.50 in. offset

Exhaust Tip Specifications:

  • Style: 4 in. polished T304 stainless steel round rolled-edge tip — clamp-on design
  • Inlet: 3.50 in. | Outlet: 4 in. | Length: 12 in.

Installation & Warranty:

  • Hassle-free, bolt-on installation — no welding required
  • Includes all hardware and factory-style hangers for a seamless, professional fit
  • Backed by Gibson's Lifetime Limited Warranty
  • Made in the USA

Products specifications

Fits

2011-2019 Chevrolet Silverado 2500 HD; 2011-2019 Chevrolet Silverado 3500 HD; 2011-2019 GMC Sierra 2500 HD; 2011-2019 GMC Sierra 3500 HD

Tubing Diameter

3.5-in. Stainless mandrel bent tubing.

Muffler Dimension

8 x 11 x 24 in. Oval Body; 3.50 in. Offset Inlet; 3.50 in. Offset Outlet.

Muffler Description

Baffled and Chambered Muffler Design, No internal Packing, Minimal Interior Drone, Aggressive Sound

Material

Stainless

Prop 65

Yes

Exit Position

Exits In Stock Location.

Tip Specifications

Inlet 3.50 in.; Outlet 4 in.; L-12 in

Tip Description

4in. Polished T304 Stainless Round Rolled Edge Tip. Clamp On.

Outlet

Single

Category

Truck and SUV

Tubing Diameter

3.500 in.

Exit Position

Stock

Exhaust Type

Cat-Back

Material

Stainless Steel

Inlet Inside Diameter

3.500 in.

Muffler Body Length

24.000 in.

Tip Diameter

4.000 in.

Tail Pipe Diameter

4.000 in.

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