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Gibson Performance Exhaust 615611 Cat-Back Single Exhaust System Stainless Steel

(2011-2014 Cadillac Escalade; 2011-2012 Cadillac Escalade ESV; 2011-2012 Cadillac Escalade EXT; 2011-2014 GMC Yukon Denali)

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

615611
11 reviews
Sale Price

$801.84

Estimated ship date Wednesday, November 18

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Product Details

The Gibson Performance Exhaust 615611 is a cat-back single exhaust system constructed from 409 stainless steel mandrel-bent tubing, designed to maximize low-end power output and deliver an aggressive exhaust note. Dyno-tested and engineered to produce peak torque and horsepower gains in the 1,800–3,000 RPM range, this system is an ideal upgrade for towing, hill climbing, acceleration, and passing.

Gibson Superflow Muffler:

  • Baffled and chambered internal design — no internal packing to blow out
  • Delivers minimal interior drone while producing an aggressive exterior exhaust tone
  • 8-inch round body with 3.5-inch center inlet and 3.5-inch center outlet; 24-inch overall length

Tubing & Tip Specifications:

  • 409 stainless steel mandrel-bent tubing maintains consistent exhaust flow through every bend
  • Primary tubing diameter: 3.5-inch / 3-inch
  • Includes a 4-inch polished T-304 stainless steel round rolled tip (inlet: 3.5-inch, outlet: 4-inch, length: 12-inch)
  • Exit position: behind the rear tire for a clean, factory-style appearance

Installation & Hardware:

  • Includes all factory-style hangers and clamps — no welding, cutting, or drilling required
  • Bolt-on installation with professional-grade fit and finish
  • All hardware included for a complete installation

Performance & Warranty:

  • Average horsepower gains of 10–15 HP; average torque gains of 15–20 lb-ft
  • Produces quieter in-cab sound levels compared to other performance exhaust systems
  • Proudly made in the USA
  • Backed by Gibson's Lifetime Limited Warranty for the original purchaser

Products specifications

Fits

2011-2014 Cadillac Escalade; 2011-2012 Cadillac Escalade ESV; 2011-2012 Cadillac Escalade EXT; 2011-2014 GMC Yukon Denali

Tubing Diameter

3.5-in / 3-in. Stainless mandrel bent tubing.

Muffler Dimension

8 in. Round; 3.5 in. Center Inlet; 3.5 in. Center 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 Rolled Edge Tip. Clamp On.

Outlet

Single

Tip Specifications

Inlet 3.50 in.; Outlet 4.0 in.; L-12 in.

Category

Truck and SUV

Exit Position

Single Side

Exit Style

Turn Out

Inlet Inside Diameter

3.500 in.

System Type

Cat Back

Outlet Outside Diameter

3.000 in.

Tail Pipe Diameter

3.000 in.

Muffler Body Length

24.000 in.

Tubing Diameter

3.500 in.

Material

Stainless Steel

Muffler Type

Chambered

Tip Diameter

3.500 in.

Exhaust Type

Cat-Back

Very good so far

Quick and easy. Great Prices.

Your web page was great. I would of liked a better description of the product or a side view . Have some questions but I'll have to answer them when I get the wheel. It does tho look like what I'm looking for. Your price was excellent with free shipping

quick, easy and great prices

Hard to find part for a great price.

Quick and fast

Simple and easy along with cheaper than the competitors!

easy shopping low price

Very convenient!

Fast and easy.

I was very impressed by their website and it was very easy to find what I was looking for. My husband was so excited to get his cold air intake and it was cheaper than anywhere else!

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