1. Mufflers & Resonators Deals
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  3. GM 19420307

GM 19420307 Exhaust Muffler Aftertreatment

fits model: Camaro. year: 2016–2017.

19420307 Gm Genuine Exhaust Muffler With Aftertreatment

( Brand: Gm ), ( Part Type: Exhaust Muffler ), ( Manufacturer Part Number: 19420307 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Chevrolet ), ( Year: 2016 2017 ), ( Parts Included: Only Part Reference 7 On The Diagram Is Included ), ( Replaces Part Number: 23371132, 23405920, 84073485 )

Review GM Genuine Exhaust Muffler Aftertreatment fits CAMARO 2016–2017

The GM 19420307 Exhaust Muffler Aftertreatment is a crucial component of your vehicle's exhaust system that plays a significant role in reducing harmful emissions and improving overall engine performance. This muffler is specifically designed for select GM models and is engineered to meet stringent emissions regulations.

The Exhaust Muffler Aftertreatment is a three-way catalytic converter, which means it reduces nitrogen oxides (NOx), carbon monoxide (CO), and unburnt hydrocarbons (HC) by converting them into harmless gases. The converter utilizes a honeycomb structure filled with precious metal catalysts to facilitate the chemical reactions that convert harmful emissions into cleaner ones.

The muffler is also designed with a flow-through design that ensures optimal exhaust flow for maximum performance and efficiency. This design also helps to reduce exhaust backpressure, which can improve engine power and fuel economy.

The Exhaust Muffler Aftertreatment is made from high-quality materials that are built to last. The exterior is constructed from durable stainless steel, which is resistant to corrosion and rust, ensuring long-lasting protection against the elements. The interior is coated with a high-temperature ceramic coating that helps to protect the catalysts from excessive heat and wear.

The muffler also features a robust design that can withstand the extreme temperatures and pressures generated by the exhaust system. The inlet and outlet pipes are reinforced with strong metal bands to prevent deformation and ensure a secure connection to the exhaust system.

The Exhaust Muffler Aftertreatment is easy to install and comes with all necessary hardware and instructions for a do-it-yourself installation. For added peace of mind, the muffler is covered by a comprehensive warranty that protects against defects in materials and workmanship for a specified period.

In summary, the GM 19420307 Exhaust Muffler Aftertreatment is a high-performance, durable, and effective solution for reducing harmful exhaust emissions and improving engine performance on select GM models. Its advanced catalytic converter design, robust construction, and easy installation make it a top choice for vehicle owners looking to meet emissions regulations and improve their vehicle's overall performance.

Buying a GM 19420307 exhaust muffler aftertreatment system comes with several pros and cons that every potential buyer should consider before making a decision.

Pros:

1. Reduced Emissions: The aftertreatment system helps in reducing harmful emissions from the exhaust gases, making the vehicle more eco-friendly and compliant with the latest emission norms.

2. Improved Engine Performance: The muffler aftertreatment system can help in improving the engine performance by reducing back pressure and improving the exhaust flow.

3. Longer Engine Life: By reducing the harmful emissions and improving the engine performance, the aftertreatment system can help in extending the life of the engine.

4. Better Fuel Efficiency: The improved engine performance and reduced back pressure can lead to better fuel efficiency, saving you money on fuel in the long run.

Cons:

1. Cost: The GM 19420307 exhaust muffler aftertreatment system can be quite expensive, especially when compared to a regular exhaust muffler.

2. Complexity: The aftertreatment system is more complex than a regular exhaust muffler, requiring regular maintenance and check-ups to ensure proper functioning.

3. Weight: The aftertreatment system adds extra weight to the vehicle, which can lead to increased fuel consumption and reduced performance.

Conclusion:

The decision to buy a GM 19420307 exhaust muffler aftertreatment system depends on your individual priorities and needs. If you value reduced emissions, improved engine performance, and a longer engine life, then the aftertreatment system may be worth the investment, despite the higher cost and added complexity. However, if you are looking for a simple and cost-effective exhaust solution, then a regular exhaust muffler may be a better option for you.

Recommendation:

If you are looking for an exhaust solution that prioritizes reduced emissions, improved engine performance, and a longer engine life, then the GM 19420307 exhaust muffler aftertreatment system is a recommended option for you. However, be prepared for the higher cost and added complexity that comes with it. If you are looking for a more cost-effective and simpler exhaust solution, then a regular exhaust muffler may be a better option for you.

part # 19420307 price

  • $3534.24

specifications mufflermooch:

  • for models: Camaro
  • for years: 2016-2017
  • brand: Gm
  • part type: Exhaust Muffler
  • manufacturer part number: 19420307
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • make: Chevrolet
  • year: 2016 2017
  • parts included: Only Part Reference 7 On The Diagram Is Included
  • replaces part number: 23371132, 23405920, 84073485

returns mufflermooch:

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

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  • other
  • credit card: Discover
  • wallet: Google-pay

seller mufflermooch:

  • rating: 98.2%
  • # reviews: 24008

shipping mufflermooch:

  • type: Fixed
  • service: Flat Rate Freight
  • class: Freight
  • cost: $0.00

offer mufflermooch:

  • options: Ship-to-home
  • started: December 14, 2025
  • sold: 0
  • quantity: 1
  • availability: In Stock

general mufflermooch:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Mufflers Resonators
  • condition: New
for models: camaro, for years: 2016-2017, part type: exhaust muffler, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement, year: 2016 2017, parts included: only part reference 7 on the diagram is included, replaces part number: 23371132, 23405920, 84073485,
manufacturer: chevrolet, category: auto parts > car truck parts accessories > exhaust emission systems > mufflers resonators, sku: 10768435991448792,

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1 offer $3534.24 USD
  • Offer #1: $3534.24 price + free delivery = $3534.24* total. Application notes: Listed for specific engines and trim levels (example: 3.6L without performance exhaust). Also known as: Muffler.FREE SHIPPING