GIBSON 65688 Cat Dual Split 677418031874 5.3L 3IN/2.5IN

( Brand: Gibson ), ( Air Freight Prohibited: False ), ( Carb Acknowledgement Required: True ), ( Part Type: Automotive ), ( Manufacturer Part Number: 65688 ), ( UPC: 677418031874 )

Review GIBSON Gmc 5.3l 3in/2.5in Cat back Dual Split fits SIERRA DENALI 1500 2019–2022

Introducing the Gibson 65688 Exhaust System, meticulously crafted to enhance the performance and aesthetic appeal of your 19-22 GMC Sierra 1500 Denali with a 5.3L engine. This cat-back dual exhaust system features a 3-inch diameter exhaust pipe that expands to a 2.5-inch diameter at the rear mufflers, delivering an impressive and powerful exhaust note.

The Gibson 65688 system is a direct bolt-on replacement for your factory exhaust, ensuring a hassle-free installation process. Each component is engineered with precision using high-quality 304 stainless steel to guarantee durability and resistance to corrosion. The system also includes a set of premium, polished tips that add a touch of sophistication to the rear of your vehicle, complementing the Denali's refined design.

This cat-back exhaust system is designed to increase horsepower and torque by optimizing the exhaust flow and reducing backpressure. By permitting spent gases to exit more efficiently, the Gibson 65688 system allows your engine to breathe better, ultimately yielding improved acceleration and overall performance.

In addition to its performance benefits, this Gibson exhaust system boasts a rich, resonant exhaust note that is sure to please even the most discerning of audiophiles. The system's expertly tuned mufflers minimize unwanted noise while allowing the engine's natural exhaust tone to resonate beautifully.

The Gibson 65688 Cat-Back Dual Exhaust System is the perfect upgrade for any GMC Sierra 1500 Denali owner seeking to elevate their driving experience with enhanced power, improved exhaust flow, and a captivating exhaust note. With its unrivaled craftsmanship and commitment to performance, you can trust that this Gibson exhaust system will exceed your expectations and leave a lasting impression.

Pros and Cons of Buying a Gibson 65688 19-22 GMC Sierra 1500 Denali 5.3L 3in/2.5in Cat-Back Dual Exhaust System

The Gibson 65688 19-22 GMC Sierra 1500 Denali 5.3L 3in/2.5in Cat-Back Dual Exhaust System is an aftermarket exhaust designed to enhance the performance and aesthetics of your GMC Sierra Denali. In this analysis, we will discuss the key advantages and disadvantages of investing in this exhaust system.

1. Enhanced Performance: A cat-back exhaust system allows for better exhaust flow, which can lead to improved engine performance. The dual exhaust configuration also offers a more efficient exhaust gas scavenging process, resulting in increased horsepower and torque.

2. Improved Sound: The Gibson cat-back exhaust system is designed to provide a deeper and more aggressive exhaust note, which many customers find appealing. This can add excitement to your driving experience, making your GMC Sierra Denali sound more like a performance vehicle.

3. Better Fuel Efficiency: The improved exhaust flow and scavenging process can lead to better fuel efficiency by reducing backpressure in the exhaust system. This can save you money on fuel costs over time.

4. Improved Appearance: The dual exhaust setup not only provides performance benefits but also adds to the visual appeal of your vehicle. The polished stainless steel tips give the GMC Sierra Denali a more refined and aggressive look.

5. Durability: Gibson exhaust systems are known for their high-quality materials and manufacturing processes. The 304 stainless steel construction ensures resistance to rust and corrosion, making this exhaust system a long-term investment.

1. Cost: The Gibson 65688 cat-back exhaust system is a premium product, and the price tag reflects its high-performance capabilities. The cost may be a barrier for some potential buyers, as it is more expensive than stock exhaust systems or lower-end aftermarket options.

2. Installation Complexity: Installing a cat-back exhaust system requires advanced technical skills and specialized tools. Professional installation is recommended to ensure proper fitting, function, and safety. The installation process can also be time-consuming and may require a significant investment in labor costs.

3. Impact on Emissions: A cat-back exhaust system removes some of the restrictions on exhaust gases, which can lead to increased emissions. While the exhaust system adheres to emissions regulations, it may not be as environmentally friendly as stock or lower-performance exhaust options.

4. Potential Noise: The deeper and more aggressive exhaust note produced by the Gibson cat-back exhaust system may be too loud for some individuals, especially in residential areas. This could potentially lead to noise complaints or unnecessary attention from law enforcement.

The Gibson 65688 19-22 GMC Sierra 1500 Denali 5.3L 3in/2.5in Cat-Back Dual Exhaust System offers numerous benefits, including enhanced performance, improved sound, better fuel efficiency, improved appearance, and durability. However, the investment comes with a higher cost, installation complexity, potential impact on emissions, and the possibility of increased noise levels.

If you are an enthusiast looking to enhance the performance and aesthetics of your GMC Sierra Denali, the Gibson cat-back exhaust system is an excellent choice. It provides a noticeable improvement in power and torque, as well as a more aggressive sound and refined appearance. However, if you are budget-conscious, prefer a quieter exhaust note, or are not interested in the performance benefits, a lower-cost or stock exhaust system may be more suitable for your needs.

part # 65688 prices

• $659.99-$693.95

specifications frazzlekits:

• for models: 1500, Sierra, Denali
• for makes: Gmc
• for years: 2019-2022
• brand: Gibson
• air freight prohibited: False
• carb acknowledgement required: True
• part type: Automotive
• manufacturer part number: 65688
• upc: 677418031874

payments frazzlekits:

• wallet: Apple-pay
• other
• credit card: Diners-club

offer frazzlekits:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 2
• started: December 13, 2025

seller frazzlekits:

• rating: 99.3%
• # reviews: 1078

returns frazzlekits:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

general frazzlekits:

• Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
• condition: New

shipping frazzlekits:

• service: UPS Ground
• class: Standard
• transit: 3-6 Days
• type: Fixed
• carrier: UPS
• cost: $0.00

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