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6.2L Cat-Back Dual-Exit Exhaust Upgrade System - GM (86304449)

Fits Models Years 2026 GMC Yukon

6.2L Cat-Back Dual-Exit Exhaust Upgrade System - GM (86304449)

6.2L Cat-Back Dual-Exit Exhaust Upgrade System - GM (86304449)

Fits Models Years 2026 GMC Yukon

Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 86304449

Details

  • Brand:

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

  • SKU:

    86304449

  • Other Names:

    Muffler

  • Description:

    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. This exhaust system offers an increase of up to 11 horsepower and 6 lb.-ft. of torque, while reducing backpressure by 30% at 300-g/s, based on correlated flow testing. Designed and validated by GMC 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.
  • Notes: With Polished Tips and GMC Logo, XL.
Warning WARNING: California Proposition 65
  • MSRP: $4,995.00
  • Discount: $949.05 (19% off)
  • Sale Price: $4,045.95
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Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 86304449

Details

  • Brand:

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

  • SKU:

    86304449

  • Other Names:

    Muffler

  • Description:

    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. This exhaust system offers an increase of up to 11 horsepower and 6 lb.-ft. of torque, while reducing backpressure by 30% at 300-g/s, based on correlated flow testing. Designed and validated by GMC 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.
  • Notes: With Polished Tips and GMC Logo, XL.
Warning WARNING: California Proposition 65

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

GM Part Solution

Upgrade your 2026 GMC Yukon GM Vehicle with confidence. At GM Part Solution, we’ve made finding genuine OEM parts easier—and more affordable—than ever. This 6.2L Cat-Back Dual-Exit Exhaust Upgrade System (86304449) is a factory-direct component, guaranteed to provide a perfect fit and long-lasting performance. Skip the markup at the local parts counter and get your genuine GM parts delivered straight to your door in just a few days.

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