1. Mufflers & Resonators Deals
  2. sku: 12743115116227793
  3. GM 86540888

GM 86540888 Muffler

86540888 Gm Genuine F Muffler

( Brand: Gm ), ( Part Type: Muffler ), ( Manufacturer Part Number: 86540888 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included ), ( Replaces Part Number: 84679002 )

Review GM Genuine Muffler

GM Original Equipment OEM Catalytic Converter Muffler, Part Number: 86540888

The GM 86540888 muffler is an original equipment manufacturer (OEM) catalytic converter muffler designed specifically for select GM vehicles. This component is a crucial part of the exhaust system, responsible for reducing harmful emissions and enhancing vehicle performance.

This muffler, manufactured by General Motors, is engineered to meet or exceed the original equipment specifications for durability and efficiency. It features a high-flow catalytic converter that converts harmful exhaust gases into less toxic emissions before they exit the vehicle. The converter is coated with a protective ceramic material to ensure long-lasting performance and resistance to corrosion.

The muffler also includes a high-performance muffler core that effectively reduces exhaust noise while maintaining optimal exhaust flow. This design not only improves the driving experience by reducing engine noise but also helps the vehicle to meet federal noise emission standards.

The GM 86540888 muffler is compatible with specific GM applications. It is designed to fit securely into the exhaust system, ensuring a proper seal and efficient exhaust flow. The inlet and outlet connections are engineered to match the original equipment dimensions and thread specifications.

This OEM catalytic converter muffler is made with premium materials to ensure superior performance and longevity. It undergoes rigorous testing to ensure it meets GM's stringent quality standards. By using a genuine GM part, you can enjoy the confidence that comes with knowing you're using a component that is designed to work seamlessly with your vehicle.

Overall, the GM 86540888 muffler is an essential upgrade for your GM vehicle. It not only helps to maintain optimal exhaust system performance and reduce harmful emissions but also enhances the driving experience by reducing exhaust noise. Investing in a genuine GM OEM catalytic converter muffler like this one ensures a reliable, long-lasting solution for your vehicle's exhaust system needs.

Buying a GM Part Number 86540888 muffler, which is often referred to as a catalytic converter muffler or a performance muffler, comes with its own set of advantages and disadvantages. Let's take a closer look at each.

Advantages:

1. Performance Enhancement: The primary reason people opt for aftermarket performance mufflers like this one is to enhance the overall performance of their vehicle's exhaust system. It can lead to improved throttle response and increased power.

2. Customization: A performance muffler allows for a more customized exhaust note, which can be a desirable feature for some car enthusiasts.

3. Durability: High-quality performance mufflers, like the GM 86540888, are often built with better materials and craftsmanship than original equipment manufacturers (OEM) mufflers. This can lead to increased durability and longevity.

Disadvantages:

1. Cost: Performance mufflers, especially high-performance aftermarket options, can be quite expensive compared to OEM mufflers.

2. Loudness: Performance mufflers are designed to reduce back pressure and allow more exhaust gases to flow freely, which can result in a louder exhaust note. This may not be desirable for those who prefer a quieter ride.

3. Fitment Issues: There is a risk of fitment issues when installing aftermarket performance mufflers. It's essential to ensure that the muffler you choose is compatible with your specific vehicle make and model.

In conclusion, the decision to buy a GM Part Number 86540888 muffler depends on your individual preferences and priorities. If you're looking for improved performance, a custom exhaust note, and increased durability, then this muffler may be a worthwhile investment. However, if you're concerned about the cost, potential fitment issues, or prefer a quieter ride, then it may be best to stick with an OEM muffler. Ultimately, it's essential to weigh the pros and cons carefully before making a decision.

If you're confident that the benefits of a performance muffler outweigh the potential drawbacks and you want to proceed, then it's recommended to purchase the GM 86540888 muffler from a reputable aftermarket parts supplier or a trusted mechanic to ensure quality and compatibility.

part # 86540888 price

  • $1081.70

specifications mufflermooch:

  • brand: Gm
  • part type: Muffler
  • manufacturer part number: 86540888
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • parts included: Only Part Reference 0 On The Diagram Is Included
  • replaces part number: 84679002

general mufflermooch:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Mufflers Resonators
  • condition: New

seller mufflermooch:

  • rating: 99.0%
  • # reviews: 29499

payments mufflermooch:

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

shipping mufflermooch:

  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx
  • type: Fixed
  • cost: $0.00
  • transit: 9-15 Days

offer mufflermooch:

  • sold: 0
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • started: March 16, 2026

returns mufflermooch:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
part type: muffler, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement, parts included: only part reference 0 on the diagram is included, replaces part number: 84679002,
category: auto parts > car truck parts accessories > exhaust emission systems > mufflers resonators, sku: 12743115116227793,

Gm 86540888 Is Similar To:

mufflermooch logo
1 offer $1081.70 USD
  • Offer #1: $1081.70 price + free delivery = $1081.70* total. Doesn't Fit. Just Didn't Like it.FREE SHIPPING