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Gibson Exhaust 615581 Cat-Back Single Exhaust System Stainless Steel

(2007-2011 Cadillac Escalade; 2007-2011 Cadillac Escalade ESV; 2007-2011 GMC Yukon Denali; 2007-2011 GMC Yukon XL 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

615581
5 reviews
Sale Price

$802.20

Estimated ship date Wednesday, November 18

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Product Details

The Gibson Exhaust 615581 Cat-Back Single Exhaust System delivers exceptional performance gains for truck and SUV owners seeking improved acceleration, towing capacity, and passing power. This stainless steel exhaust system is engineered to maximize low-end torque where you need it most—during hill climbing, hauling heavy loads, and everyday driving.

Performance Benefits:

  • Average horsepower gains of 10-15 HP with 15-20 lb-ft of increased torque
  • Maximum power delivery at low-end RPM range (1800-3000 RPM) verified by dyno testing
  • Single side exit design positioned behind rear tire for optimal flow
  • Quieter interior cabin noise compared to competitive performance exhaust systems
  • Minimal interior drone for comfortable daily driving

Muffler Specifications:

  • Baffled and chambered muffler design with no internal packing
  • 8-inch round muffler body, 24 inches in length
  • 3.5-inch center inlet and 3.5-inch center outlet
  • Aggressive exhaust note without excessive cabin noise

Exhaust Tip Details:

  • 4-inch polished T304 stainless steel round slash-cut tip
  • Clamp-on installation for easy attachment
  • 3.5-inch inlet, 4-inch outlet, 12 inches in length

This complete cat-back system features hassle-free bolt-on installation with no welding required, allowing for professional-looking results in your driveway. Constructed from durable stainless steel materials and backed by Gibson's Lifetime Limited Warranty for long-lasting performance and peace of mind.

Products specifications

Fits

2007-2011 Cadillac Escalade; 2007-2011 Cadillac Escalade ESV; 2007-2011 GMC Yukon Denali; 2007-2011 GMC Yukon XL Denali

Tubing Diameter

3.5-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 Slash-Cut Tip. Clamp on.

Tip Specifications

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

Outlet

Single

Category

Truck and SUV

Exit Position

Single Side

Outlet Outside Diameter

3.500 in.

Exit Style

Straight

Tip Diameter

4.000 in.

Material

Stainless Steel

Muffler Body Length

24.000 in.

Muffler Type

Chambered

System Type

Cat Back

Exhaust Type

Cat-Back

Tubing Diameter

3.500 in.

Inlet Inside Diameter

3.500 in.

Tail Pipe Diameter

3.500 in.

Best price I could find.

very smooth and efficient web site.

Absolutely the best bargain you'll find! Don't pay retail mark up at the parts store, buy at Autoplicity and know you're saving money.<br>.

great service, even better price! Would recommend Autoplicity to anyone.

Easy website to shop on. Good phone support. Package will be arriving in a timely manner. All in all seems like a good company.

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