• Gibson 3.5in Cat-Back Single Exhaust | GMC Sierra 1500 Denali 5.3L (14-18) (615629B)
  • Gibson 3.5in Cat-Back Single Exhaust | GMC Sierra 1500 Denali 5.3L (14-18) (615629B)
  • Gibson 3.5in Cat-Back Single Exhaust | GMC Sierra 1500 Denali 5.3L (14-18) (615629B)
  • Gibson 3.5in Cat-Back Single Exhaust | GMC Sierra 1500 Denali 5.3L (14-18) (615629B)
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Gibson 3.5in Cat-Back Single Exhaust | GMC Sierra 1500 Denali 5.3L (14-18) (615629B)

Gibson 3.5in Cat-Back Single Exhaust | GMC Sierra 1500 Denali 5.3L (14-18) (615629B)

615629B

Out of stock

$729.04 USD
$1,648.11 USD $729.04 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Gibson Black Elite Series 14-18 GMC Sierra 1500 Denali 5.3L Cat-Back Single Exhaust is a high-performance exhaust system designed to enhance both sound and style. Constructed with T-304 stainless steel, it features a black finish on the stainless steel tips, providing a sleek and aggressive appearance. The system incorporates Gibson's proven stainless steel Superflow Muffler, which delivers a vigorous deep tone that improves exhaust flow and engine performance. Built for durability and performance, this exhaust upgrade offers a significant boost in sound quality and visual appeal, making it an ideal choice for enthusiasts seeking a bold, custom look and enhanced exhaust note.

Designed specifically for 2014 to 2018 GMC Sierra 1500 models, including the Denali trim with a 5.3L engine, this cat-back exhaust system is a direct bolt-on replacement for the factory setup. It is engineered to fit seamlessly with the vehicle's existing exhaust system, ensuring straightforward installation. Suitable for street and performance applications, this system enhances the vehicle’s sound and appearance without compromising daily drivability. The kit includes all necessary components for installation, providing a complete upgrade for those looking to improve their Sierra’s exhaust performance and style.

Overview

Gibson Exhaust

Fits 2014–2018 GMC Sierra 1500 Denali 5.3L

Part #: 615629B

Overview

The Gibson 14-18 GMC Sierra 1500 Denali 5.3L 3.5-inch Cat-Back Single Exhaust in Black Elite finish is designed to enhance both the performance and style of your pickup. Crafted from high-quality stainless steel, this exhaust system offers durability and corrosion resistance, ensuring long-lasting performance. It is ideal for truck enthusiasts seeking a bold, aggressive sound and a refined appearance. The Black Elite Series features a sleek black finish on each T-304 stainless steel tip, adding a distinctive look that complements the rugged aesthetic of your vehicle. This exhaust system is engineered to deliver a vigorous deep tone, providing an exhilarating driving experience while maintaining a refined exterior appearance. Whether you're upgrading for improved exhaust flow, enhanced sound, or a more commanding presence on the road, this Gibson cat-back system is a perfect choice. It helps optimize exhaust flow for better response and a more aggressive exhaust note, supporting your vehicle’s performance and style goals.

Key Features

This Gibson exhaust system combines premium materials and thoughtful design to deliver a high-quality upgrade for your truck. Key features include:
  • Constructed from durable T-304 stainless steel tubing for corrosion resistance and longevity
  • Black Elite Series stainless steel tips with a premium black finish for a bold, aggressive look
  • Designed to produce a deep, vigorous exhaust tone that enhances driving enjoyment
  • 3.5-inch diameter pipe for optimal exhaust flow and performance
  • Easy bolt-on installation designed to fit 2014–2018 GMC Sierra 1500 Denali models with a 5.3L engine
  • Backed by Gibson’s limited lifetime warranty for peace of mind

Construction & Design

This exhaust system features high-quality stainless steel tubing and precision craftsmanship to ensure durability and a sleek appearance. The black finish on the tips is formulated to withstand heat and weathering, maintaining its aesthetic appeal over time.

Driving Feel & Feedback

The Gibson cat-back system enhances your vehicle’s sound profile, delivering a deep, commanding exhaust note that amplifies the truck’s presence. It helps improve exhaust flow, which can contribute to a more responsive throttle feel and a satisfying driving experience.

Installation & Fitment

Designed for straightforward bolt-on installation, this system fits 2014–2018 GMC Sierra 1500 Denali models with a 5.3L engine. Proper fitment ensures a seamless upgrade with minimal modifications required.

What’s Included

The package includes all necessary components for a complete installation, including the stainless steel exhaust pipes, black tips, and hardware needed for a secure fitment.

Ideal For

Perfect for truck owners looking to upgrade their GMC Sierra’s exhaust system for improved sound, style, and performance, while maintaining a durable and high-quality build.
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