Rear Muffler - GM (85577854)

2025-2026 GM - 85577854

Rear Muffler - GM (85577854)

2025-2026 GM - 85577854

Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 85577854

Details

  • Brand:

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

  • SKU:

    85577854

  • Positions: Rear
  • Other Names:

    Exhaust Muffler, Resonator

  • Description:

    Upgrade your truck's exhaust system with the Genuine GM OEM Rear Muffler (MPN: 85577854), engineered for optimal performance and durability on select GM vehicles equipped with 5.3L and 6.2L engines. This authentic General Motors muffler delivers superior sound suppression and exhaust flow management, ensuring your truck maintains factory-standard performance and emissions compliance. Built to OEM specifications, this replacement muffler is the perfect choice for owners seeking genuine quality and reliability. - Genuine OEM rear muffler designed for GM trucks with 5.3L and 6.2L engine options - Direct factory fitment for select General Motors vehicles requiring this specific exhaust component - Reduces engine noise while optimizing exhaust gas flow for consistent engine performance - Compatible with factory exhaust systems on specified GM truck models - Authentic General Motors OEM part backed by manufacturer quality standards and durability

  • MSRP: $826.52
  • Discount: $285.98 (34.6% off)
  • Sale Price: $540.54
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Manufacturer Warranty Minimum of 12 Months
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Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 85577854

Details

  • Brand:

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

  • SKU:

    85577854

  • Positions: Rear
  • Other Names:

    Exhaust Muffler, Resonator

  • Description:

    Upgrade your truck's exhaust system with the Genuine GM OEM Rear Muffler (MPN: 85577854), engineered for optimal performance and durability on select GM vehicles equipped with 5.3L and 6.2L engines. This authentic General Motors muffler delivers superior sound suppression and exhaust flow management, ensuring your truck maintains factory-standard performance and emissions compliance. Built to OEM specifications, this replacement muffler is the perfect choice for owners seeking genuine quality and reliability. - Genuine OEM rear muffler designed for GM trucks with 5.3L and 6.2L engine options - Direct factory fitment for select General Motors vehicles requiring this specific exhaust component - Reduces engine noise while optimizing exhaust gas flow for consistent engine performance - Compatible with factory exhaust systems on specified GM truck models - Authentic General Motors OEM part backed by manufacturer quality standards and durability

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

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Order your Rear Muffler (85577854) today and have it in your hands in a matter of days. Your Rear Muffler will be backed by a warranty and guaranteed to fit your 2025-2026 vehicle. 

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