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Gibson 615635 Cat-Back Single Exhaust System Stainless Steel

(2015-2020 Cadillac Escalade; 2015-2020 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

615635
11 reviews
Sale Price

$841.84

Estimated ship date Monday, November 16

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Gibson 615635 is a cat-back single side exhaust system built from 409 stainless steel mandrel-bent tubing with a 3.5-inch diameter. Engineered and dyno-tested for maximum performance at low RPM (1,800–3,000 RPM), this system delivers an aggressive exhaust note while keeping interior cabin noise to a minimum. The exit routes behind the rear tire for a clean, factory-integrated look.

Superflow Muffler:

  • Baffled and chambered design with no internal packing
  • Minimal interior drone with an aggressive exterior sound signature
  • 8 x 11 x 24 in. oval muffler body
  • 3.50 in. offset inlet and 3.50 in. offset outlet

Exhaust Tip:

  • 4 in. polished T304 stainless steel round rolled-edge tip
  • Clamp-on design — no welding required
  • Tip inlet: 3.50 in. | Tip outlet: 4.0 in. | Length: 12 in.

Performance:

  • Average horsepower gains of 18–21 HP
  • Average torque gains of 20–22 lb-ft
  • Peak power increases at low-end RPM range (1,800–3,000 RPM)
  • Engineered to reduce backpressure for improved throttle response, towing, hill climbing, and passing power

Installation & Construction:

  • Hassle-free bolt-on installation — no welding or cutting required
  • Includes all necessary hardware and factory-style hangers
  • 3.5 in. 409-L stainless steel mandrel-bent tubing for unrestricted exhaust flow
  • Proudly made in the USA

The Gibson 615635 is backed by a Lifetime Limited Warranty, making it a long-term performance upgrade for your vehicle.

Products specifications

Fits

2015-2020 Cadillac Escalade; 2015-2020 GMC Yukon Denali

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 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

Tip Diameter

4.000 in.

Outlet Outside Diameter

3.500 in.

Inlet Inside Diameter

3.500 in.

Tail Pipe Diameter

3.500 in.

Tubing Diameter

3.500 in.

System Type

Cat Back

Muffler Type

Chambered

Muffler Body Length

24.000 in.

Exit Position

Stock

Material

Stainless Steel

Exhaust Type

Cat-Back

Exit Style

Straight

Fast Happy

Just order the 1108 turn over ball for 2010 Super Duty and received it within (5) days. Just can't wait to put it on and start pulling the trailer with my new diessel.

Is the part in stock or on back order

thanks

quick, easy, good coupon code.

Great Prices!! Hopefully will ship quickly

Awesome as always

Everything was quick and easy. It was the cheapest price I could find AND I was able to pay with PayPal. Very nice.

Ordered a DiabloSport tuner for my truck here, as they had the lowest prices on the web with shipping. Order was placed on Saturday and shipped Monday. Although I received my tracking number on Tuesday, I was pleasantly surprised that they had already shipped it out. Nonetheless, my transaction was flawless. I would order from them again with no doubts.

Very intuitive website, great experience so far.

Thanks

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