• Gibson 3in/2.25in Dual Split Cat-Back Exhaust | GMC Sierra 1500 (14-18) (65657)
  • Gibson 3in/2.25in Dual Split Cat-Back Exhaust | GMC Sierra 1500 (14-18) (65657)
  • Gibson 3in/2.25in Dual Split Cat-Back Exhaust | GMC Sierra 1500 (14-18) (65657)
  • Gibson 3in/2.25in Dual Split Cat-Back Exhaust | GMC Sierra 1500 (14-18) (65657)
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Gibson 3in/2.25in Dual Split Cat-Back Exhaust | GMC Sierra 1500 (14-18) (65657)

Gibson 3in/2.25in Dual Split Cat-Back Exhaust | GMC Sierra 1500 (14-18) (65657)

65657

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$694.32 USD
$1,569.62 USD $694.32 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Gibson 14-18 GMC Sierra 1500 Base 5.3L 3in/2.25in Cat-Back Dual Split Exhaust is a high-performance exhaust system designed to enhance both the appearance and sound of your truck. Constructed from stainless steel, this dual split cat-back exhaust delivers an aggressive, throaty tone that appeals to enthusiasts seeking a more commanding exhaust note. The system reduces backpressure, resulting in an average increase of 18-20 horsepower and improved torque. Its straightforward bolt-on installation requires no welding, making it a hassle-free upgrade. The stainless tips exit straight out the back, complementing most bumpers, roll pans, and trailer hitches, while providing a durable, corrosion-resistant finish.

This exhaust system is compatible with 2014-2018 GMC Sierra 1500 models equipped with a 5.3L engine. It is designed as a direct replacement for the factory exhaust, offering a performance upgrade suitable for street and off-road use. The system enhances sound and performance under various driving conditions, including towing, where the louder exhaust note is more pronounced. The kit includes all necessary components for installation, ensuring a secure fit and optimal performance. Ideal for truck owners seeking increased horsepower, a more aggressive sound, and a custom look, this Gibson exhaust system provides a reliable, high-quality upgrade for your vehicle.

Overview

Gibson Exhaust Systems

Fits 2014–2018 GMC Sierra 1500 with 5.3L Engine

Part #: 65657

Overview

The Gibson 14-18 GMC Sierra 1500 Base 5.3L 3in/2.25in Cat-Back Dual Split Exhaust system is designed for enthusiasts seeking an aggressive look and a throaty, commanding exhaust note. Crafted from durable stainless steel, this exhaust upgrade enhances your vehicle’s aesthetic appeal while delivering noticeable improvements in sound and performance. It’s an ideal choice for truck owners who want to combine style with functional performance, supporting increased torque and horsepower for a more responsive driving experience. This system is engineered to fit seamlessly onto your Sierra 1500, providing a straightforward bolt-on installation that requires no welding or complex modifications. Whether you’re looking to elevate your truck’s sound profile or improve exhaust flow, this dual split cat-back exhaust offers a perfect balance of style, durability, and performance.

Key Features

This exhaust system features high-quality stainless steel construction designed to withstand the rigors of daily driving and towing. Its dual split design not only enhances the aggressive appearance but also optimizes exhaust flow for improved engine response. The stainless tips exit straight out the back, complementing most bumpers, roll pans, and trailer hitches. The system produces a louder sound under towing conditions, adding to the truck’s commanding presence. Hassle-free bolt-on installation ensures a quick upgrade without the need for welding or special tools, making it accessible for DIY enthusiasts and professional installers alike.

Construction & Design

Constructed from premium stainless steel, this exhaust system is built for longevity and corrosion resistance. The dual split outlet design is engineered to maximize exhaust flow and produce an aggressive sound signature, enhancing your vehicle’s character and presence.

Driving Feel & Feedback

The Gibson cat-back exhaust helps deliver a deeper, more aggressive exhaust note that enhances the driving experience. It supports improved exhaust flow, which can contribute to better throttle response and a more engaging sound under acceleration and towing conditions.

Installation & Fitment

Designed for a direct bolt-on installation, this system fits 2014–2018 GMC Sierra 1500 models equipped with a 5.3L engine. No welding or cutting is required, making it a straightforward upgrade for both DIY enthusiasts and professional installers.

What’s Included

The package includes all necessary components for a complete installation, including the dual split exhaust pipes, stainless steel tips, and hardware needed to secure the system to your vehicle.

Ideal For

Perfect for GMC Sierra 1500 owners looking to enhance their truck’s sound and appearance while supporting improved exhaust flow and performance. Ideal for those who want a bold, aggressive sound and durable construction for everyday driving or towing.
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