1. Mufflers & Resonators Deals
  2. sku: 9404004370420722
  3. GM 3904077

GM 3904077 Nos Lh Muffler Too 65 67 68 69

fits model: 327, 396, 427, 350, Chevelle, Impala. make: Chevy. year: 1970.

3904077 Gm Nos 65 66 67 68 69 70 Chevy Lh Muffler Chevelle 327 Impala 396 427 350 Truck Too

( Brand: Gm ), ( Type: Muffler ), ( Oe/oem Part Number: Chevrolet Pickup Cab Chassis Malibu Caprice Belair Biscayne Sbc, Convertible Hardtop Sport Coupe Station Wagon Post Sedan ), ( Manufacturer Part Number: 3904077 ), ( Material: Steel ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Country/region Of Manufacture: United States ), ( Placement On Vehicle: Left, Lower, Rear )

Review GM Nos 65 67 68 69 Chevy Lh Muffler Truck Too fits CHEVELLE IMPALA 327 396 427 350 1970

Introducing the GM 3904077 muffler, a superior aftermarket solution for Chevrolet LH models including the Chevelle, Impala (327, 396, 427, and 350), and others with similar engine configurations. This high-performance muffler is designed to deliver an exceptional balance of power, sound, and style.

Crafted from premium materials, this muffler is engineered to withstand the rigors of high-performance driving. Its robust construction ensures durability under extreme conditions, providing you with peace of mind and reliability. The muffler's design is specifically tailored to fit seamlessly into your vehicle's exhaust system, ensuring a perfect fit and hassle-free installation.

This muffler boasts a unique, high-flow design that maximizes exhaust flow and reduces backpressure. The result is increased horsepower and torque, providing your engine with the oxygen it needs to breathe and perform at its best. Furthermore, the muffler's high-flow design enhances engine responsiveness, giving your vehicle a more spirited and exhilarating driving experience.

The GM 3904077 muffler is not just about power, it's also about sound. Its carefully engineered internal structure produces a rich, deep exhaust note that is both aggressive and refined, adding a touch of excitement to your driving experience. This muffler's exhaust tone is sure to turn heads and leave a lasting impression.

Lastly, this muffler is an excellent choice for those seeking to improve the appearance of their exhaust system. Its sleek, modern design complements the look of your Chevrolet LH model, giving it a bold and distinctive presence on the road.

In summary, the GM 3904077 muffler is a must-have upgrade for any Chevrolet LH owner seeking to enhance the performance, sound, and style of their vehicle. With its robust construction, high-flow design, and aggressive exhaust note, this muffler is the perfect choice for those who demand the best from their ride.

Pros and Cons of Buying GM Part Number 3904077 for Chevy Chevelle and Impala Models with 327, 350, 396, and 427 Engines

Introduction:

The GM Part Number 3904077 is a muffler designed to fit various Chevrolet models, including the Chevelle and Impala, equipped with engines ranging from 327 to 427 cubic inches. While purchasing aftermarket parts can offer cost savings and performance enhancements, it is essential to consider both the advantages and disadvantages before making a purchase.

Pros:

1. Universal Fitment: The GM part number 3904077 is designed to fit multiple Chevrolet models and engine sizes, making it a versatile option for car owners seeking a replacement muffler.

2. OEM Quality: As an original equipment manufacturer (OEM) part, the 3904077 muffler is manufactured to meet the same specifications as the original equipment installed in the vehicle.

3. Improved Performance: A new muffler can improve the overall performance of the vehicle by reducing exhaust backpressure, improving engine breathability, and enhancing exhaust flow.

4. Enhanced Sound: Depending on personal preferences, the new muffler may provide a more desirable exhaust note or sound compared to a worn-out or damaged muffler.

5. Warranty Coverage: OEM parts, like the 3904077 muffler, often come with manufacturer warranties, providing peace of mind and protection against potential defects.

Cons:

1. Cost: OEM parts, such as the 3904077 muffler, can be more expensive than aftermarket alternatives, which may deter some car owners from making the purchase.

2. Availability: Depending on the specific model and engine size, the availability of OEM parts like the 3904077 muffler may be limited, requiring car owners to search extensively or order from the dealership.

3. Installation Complexity: Installing an OEM part, like the 3904077 muffler, may require more time and expertise compared to aftermarket alternatives, potentially leading to higher labor costs.

Conclusion:

When deciding whether to purchase the GM Part Number 3904077 for Chevelle and Impala models with 327, 350, 396, and 427 engines, it is crucial to weigh the advantages and disadvantages. While OEM parts offer superior fitment, quality, improved performance, and enhanced sound, they can also be more expensive, less readily available, and require more complex installation compared to aftermarket alternatives. Ultimately, the choice depends on personal preferences, budget, and the importance placed on maintaining the vehicle's originality.

Recommendation:

For car owners seeking a replacement muffler for their Chevelle or Impala and prioritizing OEM quality, fitment, and performance, the GM Part Number 3904077 is an excellent choice. However, for those seeking cost savings or willing to accept potential trade-offs in performance or sound, aftermarket alternatives may be a more suitable option. Ultimately, the decision should be based on individual preferences, budget, and the importance placed on maintaining the vehicle's originality.

part # 3904077 prices

  • $24.95-$119.95

specifications mufflermooch:

  • for models: 327, 396, 427, 350, Chevelle, Impala
  • for makes: Chevy
  • for years: 1970
  • brand: Gm
  • type: Muffler
  • oe/oem part number: Chevrolet Pickup Cab Chassis Malibu Caprice Belair Biscayne Sbc, Convertible Hardtop Sport Coupe Station Wagon Post Sedan
  • manufacturer part number: 3904077
  • material: Steel
  • universal fitment: No
  • vintage part: Yes
  • country/region of manufacture: United States
  • placement on vehicle: Left, Lower, Rear

offer mufflermooch:

  • sold: 0
  • availability: In Stock
  • quantity: 2
  • started: October 13, 2025
  • options: Ship-to-home

seller mufflermooch:

  • rating: 100.0%
  • # reviews: 3918

payments mufflermooch:

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shipping mufflermooch:

  • class: Economy
  • cost: $35.00
  • transit: 4-9 Days
  • type: Fixed
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general mufflermooch:

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

returns mufflermooch:

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for models: 327, 396, 427, 350, chevelle, impala, for makes: chevy, for years: 1970, type: muffler, oe/oem part number: chevrolet pickup cab chassis malibu caprice belair biscayne sbc, convertible hardtop sport coupe station wagon post sedan, universal fitment: no, vintage part: yes, country/region of manufacture: united states, placement on vehicle: left, lower, rear,
category: auto parts > car truck parts accessories > exhaust emission systems > mufflers resonators, material: steel, sku: 9404004370420722,

Gm 3904077 Is Similar To:

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5 offers $24.95–$119.95 USD
  • Offer #1: $119.95 price + $14.89 delivery = $134.84* total.+$14.89 shipping
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  • Offer #3: $105.00 price + $10.00 delivery = $115.00* total.+$10.00 shipping
  • Offer #4: $399.99 price + free delivery = $399.99* total.FREE SHIPPING
  • Offer #5: $34.95 price + $9.89 delivery = $44.84* total.+$9.89 shipping