FLOWMASTER L161343 Exhaust Muffler 717872815884

( Brand: Flowmaster ), ( Part Type: Exhaust Muffler ), ( Manufacturer Part Number: L161343 ), ( Fitment Type: Performance/custom ), ( Material: Aluminized Steel ), ( Shape: Oval ), ( Outlet Diameter: In ), ( Color: Black ), ( Inlet Connection Type: Pipe Connection ), ( Mount Type: Uses New Hangers ), ( Body Width: 10 ), ( Tip Material: No Tip ), ( Sound Level: Aggressive Sound ), ( UPC: 717872815884 )

Review FLOWMASTER Exhaust Muffler Gmc fits K2500 1988–1992

Introducing the Flowmaster L161343 Exhaust Muffler, a high-performance upgrade for your 1988-1992 GMC K2500 pickup truck. This muffler is part of Flowmaster's renowned 40 series, known for its distinctive deep and powerful exhaust note.

The L161343 muffler is a catalytic converter-back system, which means it replaces the stock muffler and catalytic converter. It is made from 16-gauge aluminized steel, ensuring superior strength and durability. The muffler's design features a 2.5-inch inlet and a 2.5-inch outlet, allowing for a smooth and unrestricted flow of exhaust gases.

This Flowmaster muffler utilizes a unique internal design called the "Supernova" core. The Supernova core is a series of specially designed internal baffles that provide exceptional exhaust flow while minimizing unwanted backpressure. The result is an increase in horsepower and torque, providing a noticeable improvement in your truck's performance.

Additionally, the L161343 muffler comes with a wrap-around inlet and outlet design, which not only looks great but also ensures a tight seal and a reduction in exhaust leaks. The muffler is also CARB-approved, meaning it meets the strict emissions standards set by the California Air Resources Board.

Installing the L161343 muffler is a straightforward process, as it comes with all necessary hardware for a bolt-on installation. The muffler also features a polished stainless steel tip, which not only looks great but also helps to protect the tip from damage.

In summary, the Flowmaster L161343 Exhaust Muffler is a high-performance upgrade for your 1988-1992 GMC K2500 pickup truck. Its unique design provides an increase in horsepower and torque, a deep and powerful exhaust note, and a tight seal for minimal exhaust leaks. The muffler is made from durable aluminized steel, is CARB-approved, and comes with all necessary hardware for a bolt-on installation.

Flowmaster L161343 Exhaust Muffler for 1988-1992 GMC K2500: Pros and Cons

The Flowmaster L161343 exhaust muffler is a popular aftermarket exhaust component for the 1988-1992 GMC K2500. This muffler is known for its unique sound and improved performance. However, like any aftermarket part, it comes with its advantages and disadvantages.

1. Performance: The Flowmaster muffler is designed to improve the exhaust flow, resulting in better engine performance. It allows more air to exit the engine, leading to improved throttle response and power delivery.

2. Sound: The muffler is famous for its distinctive exhaust note. It provides a deep, rumbling sound that is pleasing to many truck enthusiasts.

3. Durability: The Flowmaster muffler is made of high-quality materials, including stainless steel, which ensures its durability. It can withstand the rigors of off-road driving and harsh weather conditions.

4. Easy Installation: The muffler comes with all necessary hardware, making the installation process relatively straightforward. It typically takes less than an hour to install, even for those without extensive mechanical experience.

1. Cost: The Flowmaster muffler is more expensive than the stock muffler. While the performance and sound benefits may be worth the investment for some, others may find the cost prohibitive.

2. Loudness: The muffler is significantly louder than the stock muffler, which may not be desirable for everyone. It may not be suitable for those who prioritize a quieter driving experience.

3. Fitment: While the Flowmaster muffler is designed to fit the 1988-1992 GMC K2500, some users have reported fitment issues. It may require some modification to fit correctly, which could add to the installation time and cost.

The Flowmaster L161343 exhaust muffler is an excellent aftermarket exhaust component for those seeking improved performance and a distinctive exhaust note. Its durability and ease of installation are additional benefits. However, its cost, loudness, and potential fitment issues may be deal-breakers for some. Ultimately, the decision to purchase this muffler depends on individual preferences and priorities. If the benefits outweigh the cons for you, then the Flowmaster L161343 exhaust muffler is a worthy investment for your 1988-1992 GMC K2500.

part # l161343 price

• $199.76

specifications mufflermooch:

• for models: K2500
• for makes: Gmc
• for years: 1988-1992
• brand: Flowmaster
• part type: Exhaust Muffler
• manufacturer part number: L161343
• fitment type: Performance/custom
• material: Aluminized Steel
• shape: Oval
• outlet diameter: In
• color: Black
• inlet connection type: Pipe Connection
• mount type: Uses New Hangers
• body width: 10
• tip material: No Tip
• sound level: Aggressive Sound
• upc: 717872815884

shipping mufflermooch:

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• service: Standard, Expedited
• cost: $0.00
• type: Fixed
• class: Standard, Expedited

seller mufflermooch:

• rating: 98.5%
• # reviews: 18085

general mufflermooch:

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

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

offer mufflermooch:

• availability: In Stock
• started: January 2, 2026
• options: Ship-to-home
• quantity: 5
• best offers: True
• sold: 0

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