GM 3991282 Nos Rh Lh Muffler 402

( Brand: Gm ), ( Type: Muffler ), ( Oe/oem Part Number: Chevrolet El Camino Gmc Sprint Caprice Belair Biscayne, 4 Speed Console Bb Sbc Sb Estate Kingswood S/w Buckets Strato ), ( Manufacturer Part Number: 3991282 ), ( Material: Steel ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Country/region Of Manufacture: United States ), ( Placement On Vehicle: Left, Lower, Rear, Right )

Review GM Nos Rh Lh Muffler Chevy 402 Read fits CHEVELLE MALIBU IMPALA PR 350 400 454 1970–1972

Rh and Lh Mufflers for Chevy Chevelle Malibu and Impala (350, 400, 402, 454)

Introducing our top-tier Rh (right-hand) and Lh (left-hand) mufflers, specifically designed for the iconic Chevy Chevelle Malibu and Impala models with engines ranging from 350 to 454 cubic inches. These mufflers are perfect for vehicle enthusiasts looking to enhance their engine's performance, improve exhaust flow, and add an appealing aesthetic touch to their classic cars.

Our mufflers, part number GM 3991282, are engineered to provide an optimal balance between power and noise levels. Each muffler is meticulously crafted using premium stainless steel construction, ensuring superior durability and resistance to corrosion. The polished finish not only adds an elegant touch to your vehicle but also protects the muffler from environmental elements.

These mufflers are designed to fit seamlessly into your Chevelle Malibu or Impala's exhaust system. They feature a traditional tubular design with a smooth, round shape that perfectly complements the classic muscle car aesthetic. The Rh and Lh mufflers are available as individual components, allowing you to replace the damaged or worn-out muffler on your vehicle while keeping the other one in place.

By upgrading your vehicle's mufflers with our high-performance alternatives, you can expect improved exhaust flow, resulting in increased engine efficiency and horsepower. The new mufflers will also help reduce back pressure within the exhaust system, allowing your engine to breathe more freely and perform at its best.

In summary, our Rh and Lh mufflers for the Chevy Chevelle Malibu and Impala are the perfect solution for those looking to restore their classic muscle cars to their former glory. With premium stainless steel construction, a polished finish, and proven performance benefits, these mufflers are an essential upgrade for any enthusiast seeking to elevate their driving experience.

title: Pros and Cons of Buying GM Muffler Assemblies (3991282, Nos. 70, 71, 72, Rh Lh) for Chevelle Malibu, Chevy Impala with 350, 400, 402, 454 Engines

The GM muffler assemblies with part numbers 3991282, Nos. 70, 71, 72, Rh Lh are designed for use in Chevelle Malibu and Chevy Impala vehicles equipped with 350, 400, 402, and 454 engines. In this text, we will discuss the advantages and disadvantages of purchasing these mufflers to help you make an informed decision.

1. OEM Quality: These mufflers are original equipment manufacturer (OEM) parts, ensuring a perfect fit and match to the factory exhaust system.

2. Improved Performance: A new muffler can enhance the performance of your engine by reducing exhaust backpressure, allowing the engine to breathe more efficiently.

3. Reduced Noise: New mufflers can help reduce exhaust noise, making your vehicle quieter and more pleasant to drive.

4. Enhanced Fuel Economy: By improving exhaust flow and reducing backpressure, a new muffler can potentially lead to improved fuel economy.

5. Long-Lasting: OEM mufflers are designed to last for the life of the vehicle under normal driving conditions.

1. Cost: OEM mufflers can be more expensive than aftermarket alternatives.

2. Availability: These mufflers may not be readily available at local parts stores, requiring you to order them online or from a dealership.

3. Installation: Installing a new muffler can be a time-consuming and labor-intensive process, especially if you are not mechanically inclined.

4. Potential for OEM Shortcomings: Some customers have reported issues with the original design of these mufflers, such as excessive noise or premature failure.

The decision to purchase the GM muffler assemblies (3991282, Nos. 70, 71, 72, Rh Lh) for your Chevelle Malibu or Chevy Impala with a 350, 400, 402, or 454 engine depends on your priorities and circumstances. If you value the peace of mind that comes with OEM parts, the potential performance and noise reduction benefits, and the long-term durability, then these mufflers may be worth the investment. However, if cost and availability are concerns, and you are willing to accept the potential risks of aftermarket alternatives, then you may want to consider those options instead. Ultimately, it is essential to weigh the pros and cons carefully and consult with a trusted mechanic or parts professional before making a final decision.

part # 3991282 prices

• $105.00-$399.99

specifications mufflermooch:

• for models: Pr, 350, 400, 454, Chevelle, Malibu, Impala
• for makes: Chevy
• for years: 1970-1972
• brand: Gm
• type: Muffler
• oe/oem part number: Chevrolet El Camino Gmc Sprint Caprice Belair Biscayne, 4 Speed Console Bb Sbc Sb Estate Kingswood S/w Buckets Strato
• manufacturer part number: 3991282
• material: Steel
• universal fitment: No
• vintage part: Yes
• country/region of manufacture: United States
• placement on vehicle: Left, Lower, Rear, Right

general mufflermooch:

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

payments mufflermooch:

• credit card: Diners-club
• wallet: Paypal
• other

shipping mufflermooch:

• transit: 4-9 Days
• class: Economy
• cost: $55.00
• type: Fixed
• service: Economy

returns mufflermooch:

• policy: No Returns

offer mufflermooch:

• started: October 13, 2025
• quantity: 1
• sold: 0
• options: Ship-to-home
• availability: In Stock

seller mufflermooch:

• rating: 100.0%
• # reviews: 3918

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