• Gibson 2.25in Single Side Exhaust | GMC Yukon XL SLE (15-18) (615637)
  • Gibson 2.25in Single Side Exhaust | GMC Yukon XL SLE (15-18) (615637)
  • Gibson 2.25in Single Side Exhaust | GMC Yukon XL SLE (15-18) (615637)
  • Gibson 2.25in Single Side Exhaust | GMC Yukon XL SLE (15-18) (615637)
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Gibson 2.25in Single Side Exhaust | GMC Yukon XL SLE (15-18) (615637)

Gibson 2.25in Single Side Exhaust | GMC Yukon XL SLE (15-18) (615637)

615637

Out of stock

$583.47 USD
$1,319.03 USD $583.47 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Gibson 15-18 GMC Yukon XL SLE 5.3L 2.25in Cat-Back Single Exhaust is a high-performance stainless steel exhaust system designed to enhance vehicle power and efficiency. Engineered for improved acceleration, hill climbing, towing, and passing power, this exhaust system delivers significant gains in horsepower and torque. Dyno testing shows an average increase of 18-21 horsepower and 20-22 lb-ft of torque, making it the most effective performance upgrade in Gibson's lineup. Its single side exit behind the rear tire provides a sleek, professional appearance while maintaining a quieter cabin environment compared to other performance exhausts. The system is constructed for durability and optimal flow, ensuring maximum low-end torque within the 1800 to 3000 RPM range.

This bolt-on exhaust system is specifically designed for 2015 to 2018 GMC Yukon XL models equipped with the 5.3L engine. It offers a hassle-free installation process that requires no welding, providing a clean, professional look with minimal effort. The kit includes all necessary components for a straightforward upgrade, making it suitable for street and towing applications. Its direct fitment ensures compatibility with the stock configuration, serving as an effective upgrade for those seeking increased performance and a refined exhaust note. Ideal for daily drivers and enthusiasts alike, this system enhances both power output and vehicle sound profile.

Overview

Gibson Exhaust Systems

Fits 2015–2018 GMC Yukon XL with 5.3L engine

Part #: 615637

Overview

The Gibson 15-18 GMC Yukon XL SLE 5.3L 2.25-inch Cat-Back Single Exhaust is engineered to enhance your vehicle’s performance and sound profile. Designed specifically for GMC Yukon XL models from 2015 to 2018 equipped with the 5.3L engine, this exhaust system offers a combination of improved acceleration, increased towing capacity, and a refined exhaust note. Crafted from durable stainless steel, it ensures long-lasting corrosion resistance and a professional appearance. Whether you're looking to boost low-end torque or achieve a more aggressive sound, this system is an excellent upgrade for truck enthusiasts seeking both form and function. This exhaust system is ideal for drivers who want a noticeable increase in power and torque, especially during hill climbing, towing, or passing maneuvers. Its bolt-on design allows for straightforward installation without welding, making it accessible for DIY enthusiasts and professional installers alike. The system exits behind the rear tire, providing a sleek, factory-like finish while delivering a performance edge.

Key Features

This Gibson exhaust system features a meticulously engineered design that maximizes flow and enhances engine response. Made from high-quality stainless steel, it resists rust and corrosion, ensuring durability over years of use. The system’s 2.25-inch diameter piping is optimized for low-end torque gains and improved acceleration. Its single side exit configuration not only improves exhaust flow but also maintains a clean, aggressive look behind the rear wheel. The quiet operation inside the cab makes it suitable for daily driving while still delivering a satisfying exhaust tone outside the vehicle. Hassle-free bolt-on installation means you can upgrade your Yukon XL with confidence and minimal downtime.

Construction & Design

Constructed from high-grade stainless steel, this exhaust system is designed for durability and corrosion resistance. The mandrel-bent piping ensures smooth exhaust flow, reducing backpressure and enhancing overall performance. The system’s design maintains a sleek, professional appearance with precise fitment for your vehicle.

Driving Feel & Feedback

This exhaust upgrade helps improve throttle response and low-end torque, making hill climbing and towing more effortless. The enhanced exhaust note provides a deeper, more aggressive sound without excessive drone, contributing to a more engaging driving experience.

Installation & Fitment

The Gibson Cat-Back exhaust system is a bolt-on upgrade that requires no welding or cutting. It is designed for a direct fit on 2015–2018 GMC Yukon XL models with a 5.3L engine, allowing for straightforward installation with basic tools.

What’s Included

The package includes all necessary hardware and clamps for a complete, professional-looking installation, ensuring a secure fit and optimal performance.
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