# Gibson 07-12 Chevrolet Avalanche LS 5.3L 2.25in Cat-Back Dual Extreme Exhaust - Stainless

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 Tip. 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
-   Stainless Steel Mandrel Bent Tubing
-   Hassle Free Bolt-On Installation
-   Lifetime Limited Warranty
-   Superflow™ CFT Muffler

This Part Fits:

Year

Make

Model

Submodel

2013

Chevrolet

Avalanche

Black Diamond LS

2013

Chevrolet

Avalanche

Black Diamond LT

2013

Chevrolet

Avalanche

Black Diamond LTZ

2007-2012

Chevrolet

Avalanche

LS

2007-2012

Chevrolet

Avalanche

LT

2007-2012

Chevrolet

Avalanche

LTZ

2007-2014

Chevrolet

Suburban 1500

LS

2007-2014

Chevrolet

Suburban 1500

LT

2007-2014

Chevrolet

Suburban 1500

LTZ

2007-2014

GMC

Yukon XL 1500

SLE

2007-2014

GMC

Yukon XL 1500

SLT

## Details

- **Price:** 2247.87 CAD
- **Vendor:** Gibson
- **Type:** Catback

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2247.87 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/gibson-07-12-chevrolet-avalanche-ls-5-3l-2-25in-cat-back-dual-extreme-exhaust-stainless)
> Updated: 2026-06-28