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Gibson Exhaust 615616 Cat-Back Single Exhaust System Stainless Steel

(2010-2014 Chevrolet Tahoe; 2010-2014 GMC Yukon SLE/SLT)

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

615616
6 reviews
Sale Price

$707.77

Estimated ship date Wednesday, November 18

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Product Details

The Gibson Performance 615616 Cat-Back Single Exhaust System delivers a proven combination of low-end power, aggressive exhaust tone, and straightforward bolt-on installation. Engineered as one of Gibson's top-performing exhaust systems, it is purpose-built for improved acceleration, towing capability, hill climbing, and passing power.

At the heart of the system is a baffled and chambered SuperFlow muffler that eliminates internal packing for unrestricted exhaust flow, minimal interior drone, and a deep, aggressive exhaust note. Dyno testing confirms peak torque and horsepower gains in the critical low-end RPM range of 1,800 to 3,000 RPM, with average gains of 10–15 horsepower and 15–20 lb-ft of torque.

All exhaust tubing is mandrel-bent 409L stainless steel, maintaining a constant inner diameter through every curve for smooth, unrestricted exhaust flow. The system exits behind the rear tire for a clean, factory-integrated appearance. A polished T304 stainless steel slash-cut tip is included and clamps on for a professional finish.

Muffler Specifications:

  • Style: Baffled and chambered SuperFlow design — no internal packing
  • Body: 8 in. round
  • Inlet: 3.00 in. offset
  • Outlet: 3.00 in. offset
  • Length: 24 in.

Tip Specifications:

  • Style: Round slash-cut, polished T304 stainless steel
  • Inlet: 3 in.
  • Outlet: 4 in.
  • Length: 12 in.
  • Installation: Clamp-on

System Features:

  • Cat-back system — exits behind the rear tire
  • 409L stainless steel mandrel-bent tubing for long-term durability
  • Zinc-plated hangers and clamps included
  • No welding required — complete bolt-on installation
  • All necessary hardware and factory-style hangers included
  • 50-state emissions legal
  • Made in the USA
  • Backed by Gibson's Lifetime Limited Warranty

The Gibson 615616 cat-back exhaust system delivers noticeable performance improvements and a deep, aggressive tone while remaining one of the quieter performance exhausts inside the cabin — making it an excellent choice for daily driving, towing, and performance enthusiasts alike.

Products specifications

Fits

2010-2014 Chevrolet Tahoe; 2010-2014 GMC Yukon SLE/SLT

Tubing Diameter

3-in. Stainless mandrel bent tubing.

Muffler Dimension

8 in. Round; 3.00 in. Offset Inlet;3.00 in. Offset Outlet; L-24 in.

Muffler Description

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

Material

Stainless

Prop 65

Yes

Exit Position

Exits Behind Rear Tire.

Tip Description

4in. Polished T304 Stainless. Round Slash-Cut Tip. Clamp on.

Tip Specifications

Inlet 3 in.; Outlet 4 in.; L-12 in.

Outlet

Single

Category

Truck and SUV

Muffler Body Length

24.000 in.

Tail Pipe Diameter

3.000 in.

Muffler Type

Chambered

Exit Style

Straight

Material

Stainless Steel

Exhaust Type

Cat-Back

System Type

Cat Back

Tip Diameter

4.000 in.

Exit Position

Single Side

Inlet Inside Diameter

3.000 in.

Outlet Outside Diameter

3.000 in.

Tubing Diameter

3.000 in.

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I was very pleased with my transaction with Autoplicity. My order was shipped the next day and received the following day. The pricing was also the best I could find. I would definitely buy from them again and recommend them to others.

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I'll start off saying that Autoplicity's prices are unbeatable...but, I placed my order on a Saturday night (which I know is the weekend)on a in stock part and it took them till the following Thursday to ship it out. I use my truck to make a living and was hoping to get it a little quicker, but now I'm down another 3-4 days till the part gets here. Also, I sent a e-mail on Tuesday evening regaurding my order and never got a response.

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