# Gibson 15-18 Chevrolet Silverado 1500 LS 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Aluminized

For the extremist who wants to take their truck to the next level, this dual bolt-on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. You will gain bold street looks with powerful dyno tuned and tested street performance gains. You can expect to experience gains on average of 15-20 horsepower. Gibson muffler provides a mean performance sound and complemented with polished Stainless Tips. Easy bolt-on installation. No welding required. Backed by a Lifetime Limited Warranty. If you want Extreme, this system is it.

-   Baffled/Chambered Muffler; No Internal Packing
-   Polished Stainless Slash-Cut Clamp On Tips
-   Minimal Interior Drone - Aggressive Sound
-   Incl. All Hardware/Factory Style Hangers
-   Hassle Free Bolt-On Installation
-   Aluminized Mandrel Bent Tubing
-   Lifetime Limited Warranty
-   Superflow™ CFT 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:** 2028.07 CAD
- **Vendor:** Gibson
- **Type:** Catback

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2028.07 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/gibson-15-18-chevrolet-silverado-1500-ls-5-3l-3in-2-25in-cat-back-dual-extreme-exhaust-aluminized)
> Updated: 2026-06-28