Performance, Exhaust Upgrade - GM (84460755)

2021-2025 GMC - 84460755

  • MSRP: $3,995.00
  • Discount: $789.01 (19.7% off)
  • Sale Price: $3,205.99
Ships To
Manufacturer Warranty Minimum of 12 Months
Guaranteed Fitment Always the correct parts
Shop with Confidence Your information is safe
In-House Experts We know our products

Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    84460755

  • Positions: Rear
  • Other Names:

    Exhaust Muffler

  • Description: Give your vehicle increased horsepower and a more assertive sound with this Performance 6.2L Long Wheelbase Cat-Back Dual-Exit Exhaust Upgrade System. This exhaust system offers an increase of up to 11 horsepower and 6 lb.-ft. of torque, while reducing backpressure by 31% at 300-g/s, based on correlated flow testing. Designed and validated by authorized Performance engineers, this 304 Stainless Steel Cat-Back system is tuned to maximize the performance experience while minimizing drone. Installing this exhaust system with the 6.2L Engine Cold Air Intake results in a combined performance increase of up to 13 horsepower and 7 lb.-ft. of torque. This Performance Exhaust Upgrade System includes the rear muffler assembly, Y-Pipe, exhaust clamps and all necessary mounting hardware. Give your Yukon XL increased horsepower and a more assertive sound with the GMC Performance 6.2L Long Wheelbase Cat-Back Dual-Exit Exhaust Upgrade System. Designed and validated by GMC Performance engineers, this 304 Stainless Steel Cat-Back system is tuned to maximize the performance experience while minimizing drone. It is 50-state emissions legal and will not void the New Vehicle Limited Warranty.
  • Condition: New
  • Notes: 6.2L Cat-Back Dual-Exit w/Polished Tips and GMC Logos.

Vehicle Fitment

No application/vehicle fitment information available for this product
Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
( more fitments)
No fitment data available

Sons Online Parts Market

Our Story — Built on a Time-Honored Legacy

At SONS Automotive Group, we are more than just a name — we’re a symbol of an enduring family legacy in the automotive industry. Since 1918, the Nalley family has been serving drivers in Georgia and Alabama through multiple generations, always grounded in integrity, exceptional service, and local commitment 

In the 1990s, C.V. “Jim” Nalley strategically unified several Atlanta-area dealerships into what became SONS Automotive Group. It was a bold step that preserved family values while empowering the organization to flourish SONS Chevrolet.

Why We Started SONS Online Parts Market

As we evolved, we recognized the growing need for reliable, high-quality aftermarket parts. That’s why we launched SONS Online Parts Market—to bring the same trust, knowledge, and service that define our dealerships to the wider auto community.

We know that when you need parts, you want authenticity, clarity, and support. That’s exactly what we deliver.

What Sets Us Apart

  • Authenticity & Quality: Every part in our inventory is sourced or vetted for reliability. You can trust us to help you maintain or enhance your vehicle without compromise.

  • Expert Guidance: Drawing from our decades of dealership expertise, our parts specialists offer informed, practical advice for DIYers and professionals alike—whether you're repairing or upgrading.

  • Transparent Value: We’re rooted in our local communities—there’s no “corporate greed” here. We believe in fair pricing and no hidden fees, just honest value 

  • Community-Focused: Supporting our customers means supporting our community. When you choose us, you're investing locally—just as we do.

Our Mission

We’re on a simple yet significant mission: to make aftermarket vehicle maintenance accessible and dependable. Whether you're working in a garage or your driveway, our goal is to help you find the right parts, for the right price, with the right support.

Thank you for trusting SONS Online Parts Market. Let us help you keep your vehicle running its best.

Shop for parts for your specific vehicle below: