# Gibson 14-18 GMC Sierra 1500 Denali 5.3L 3.5in Cat-Back Single Exhaust - Stainless

Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepower at low-end (1800 to 3000 RPM). Horsepower gains average 18-21 and 20-22lb-ft of increase torque. Hassle free, bolt-on installation with professional looking results. No welding required. Backed by a Lifetime Limited Warranty.

-   Incl. Hardware/Factory Style Hangers For Easy Bolt-On Install
-   Baffled/Chambered Muffler; No Internal Packing
-   Minimal Interior Drone - Aggressive Sound
-   Polished Stainless Steel Slash-Cut Tips
-   Stainless Steel Mandrel Bent Tubing
-   Lifetime Limited Warranty
-   Superflow™ Muffler

This Part Fits:

Year

Make

Model

Submodel

2016-2018

Chevrolet

Silverado 1500

Custom

2014-2018

Chevrolet

Silverado 1500

High Country

2015-2018

Chevrolet

Silverado 1500

LS

2014-2018

Chevrolet

Silverado 1500

LT

2014-2018

Chevrolet

Silverado 1500

LTZ

2015-2018

Chevrolet

Silverado 1500

SSV

2014-2018

Chevrolet

Silverado 1500

WT

2014-2018

GMC

Sierra 1500

Base

2014-2018

GMC

Sierra 1500

Denali

2014-2018

GMC

Sierra 1500

SLE

2014-2018

GMC

Sierra 1500

SLT

## Details

- **Price:** 2259.91 CAD
- **Vendor:** Gibson
- **Type:** Catback

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2259.91 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/gibson-14-18-gmc-sierra-1500-denali-5-3l-3-5in-cat-back-single-exhaust-stainless)
> Updated: 2026-06-28