FLOWMASTER L158704 Exhaust Muffler 743593979499 70-74

( Brand: Flowmaster ), ( Part Type: Exhaust Muffler ), ( Manufacturer Part Number: L158704 ), ( Fitment Type: Performance/custom ), ( Material: Aluminized Steel ), ( Shape: Oval ), ( Outlet Diameter: In ), ( Color: Gray ), ( Inlet Connection Type: Pipe Connection ), ( Mount Type: Uses New Hangers ), ( Body Width: 10 ), ( Tip Material: No Tip ), ( Sound Level: Mild Sound ), ( UPC: 743593979499 )

Review FLOWMASTER Exhaust Muffler 70-74 Plymouth fits CUDA

The Flowmaster L158704 Exhaust Muffler is a high-performance upgrade for the exhaust system of your 1970-1974 Plymouth Cuda. This muffler, part of Flowmaster's legendary 40-series, is engineered to deliver an exceptional balance of power and sound.

This muffler features a 1 7/8-inch inlet and outlet diameter, making it a direct fit for most stock exhaust systems. It is constructed from 16-gauge Type 304 stainless steel, ensuring durability and resistance to rust and corrosion. The internal design consists of a series of deep, flow-enhancing passages, allowing for maximum exhaust gas flow while minimizing back pressure.

The Flowmaster L158704 is a catalytic converter-back system, meaning it replaces the stock muffler and the catalytic converter. It utilizes Flowmaster's patented "Super 40" muffler technology, which provides a deep, rumbling exhaust note without being overly loud or obtrusive. This muffler is perfect for those who want to enhance the performance and sound of their Cuda while maintaining a reasonable decibel level.

This exhaust muffler is designed to improve engine performance by allowing for better exhaust gas flow and reducing back pressure. It also features a polished stainless steel exterior, giving your exhaust system an eye-catching, high-performance look.

Installing this muffler is a straightforward process, as it is a direct fit for most 1970-1974 Plymouth Cuda applications. It comes with all necessary hardware for installation, making it a convenient and hassle-free upgrade for your muscle car.

In summary, the Flowmaster L158704 Exhaust Muffler is a top-quality, high-performance upgrade for your 1970-1974 Plymouth Cuda. It delivers impressive power gains, reduces back pressure, and provides a deep, rumbling exhaust note. Constructed from durable stainless steel and featuring Flowmaster's patented "Super 40" technology, this muffler is an excellent investment for any Cuda enthusiast looking to enhance their vehicle's performance and sound.

Pros and Cons of Buying Flowmaster L158704 Exhaust Muffler for 1970-1974 Plymouth Cuda

a. Enhanced Performance: This muffler is designed to improve the exhaust flow, resulting in increased horsepower and torque for your 1970-1974 Plymouth Cuda.

b. Unique Sound: Known for their distinctive sound, Flowmaster mufflers provide a deep, resonant exhaust note that many enthusiasts find appealing.

c. Durability: Constructed from high-quality stainless steel, this muffler is resistant to corrosion and rust, ensuring long-lasting performance.

a. Price: Flowmaster mufflers, particularly those with high performance capabilities, can be more expensive compared to stock or aftermarket alternatives.

b. Installation Complexity: Depending on your mechanical skills and the specific exhaust system configuration of your Cuda, installing a high-performance muffler like the Flowmaster L158704 may require professional assistance, adding to the overall cost.

c. Loudness: While the unique sound is an attraction for some, it may not be suitable for those who prefer a quieter exhaust note. This muffler is likely to be louder than stock or even some aftermarket alternatives.

The Flowmaster L158704 exhaust muffler for 1970-1974 Plymouth Cuda offers several advantages, including improved performance, a distinctive exhaust note, and durability. However, it comes with some disadvantages, such as a higher price point, potential installation complexity, and increased loudness.

If you are an enthusiast seeking to enhance the power and sound of your Cuda and are willing to invest in a high-quality, long-lasting exhaust component, the Flowmaster L158704 muffler could be an excellent choice for you. However, if you prioritize a quieter exhaust note or are on a budget, you may want to consider alternative options.

Considering the pros and cons, if you are an enthusiast looking for a high-performance, long-lasting exhaust component for your 1970-1974 Plymouth Cuda with a distinctive sound, the Flowmaster L158704 exhaust muffler would be a recommended choice. However, if budget or noise level are primary concerns, it may be worth exploring other options to find a more suitable solution for your specific requirements.

part # l158704 prices

• $256.06-$258.14

specifications mufflermooch:

• for models: Cuda
• for makes: Plymouth
• brand: Flowmaster
• part type: Exhaust Muffler
• manufacturer part number: L158704
• fitment type: Performance/custom
• material: Aluminized Steel
• shape: Oval
• outlet diameter: In
• color: Gray
• inlet connection type: Pipe Connection
• mount type: Uses New Hangers
• body width: 10
• tip material: No Tip
• sound level: Mild Sound
• upc: 743593979499

payments mufflermooch:

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

offer mufflermooch:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 5
• started: July 24, 2025
• best offers: True

returns mufflermooch:

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

shipping mufflermooch:

• service: Standard, Expedited
• cost: $0.00
• transit: 2-6 Days
• class: Standard, Expedited
• type: Fixed

seller mufflermooch:

• # reviews: 17758
• rating: 98.3%

general mufflermooch:

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

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