FLOWMASTER L163621 Exhaust Muffler 743593994423

( Brand: Flowmaster ), ( Part Type: Exhaust Muffler ), ( Manufacturer Part Number: L163621 ), ( Fitment Type: Performance/custom ), ( Material: Aluminized Steel ), ( Shape: Oval ), ( Outlet Diameter: In , 5 ), ( Tip 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: 743593994423 )

Review FLOWMASTER Exhaust Muffler Chevrolet fits C2500 1988–1992

Introducing the Flowmaster L163621 Exhaust Muffler, a high-performance replacement option specifically designed for Chevrolet C2500 pickup trucks manufactured between 1988 and 1992. This muffler, part of Flowmaster's renowned 40-series line, is engineered to deliver an exceptional balance of power and sound.

Constructed from premium 16-gauge aluminized steel, the L163621 muffler boasts durability and strength. Its advanced design includes a series of deep, flowing passages inside, which enhance exhaust gas flow for increased power and torque. This results in improved engine responsiveness and acceleration, making your Chevrolet C2500 more agile and responsive on the road.

The Flowmaster L163621 muffler is also renowned for its distinctive sound. Its 40-series design features a unique internal core that optimizes exhaust gas flow while reducing unwanted noise. The result is a powerful, deep exhaust note that enhances the driving experience without being overly intrusive or obnoxious.

Installation of the L163621 muffler is straightforward, making it an excellent choice for DIY enthusiasts. It comes equipped with a 5-inch inlet and 5-inch outlet, ensuring a seamless fit with your existing exhaust system. This muffler also includes a heat shield to protect the undercarriage of your truck from excessive heat.

Designed in the USA, the Flowmaster L163621 Exhaust Muffler is the perfect upgrade for those seeking improved performance and a more engaging driving experience for their Chevrolet C2500. With its durable construction, enhanced exhaust flow, and distinctive sound, this muffler is an investment that will provide long-lasting enjoyment for power enthusiasts and daily drivers alike.

The Flowmaster L163621 exhaust muffler is a popular aftermarket option for Chevrolet C2500 trucks manufactured between 1988 and 1992. This muffler is known for its unique sound and performance enhancements. Here are some pros and cons to help you make an informed decision about purchasing this muffler:

1. Enhanced Performance: The Flowmaster L163621 muffler is designed to provide improved engine performance. It allows for better exhaust flow, resulting in increased horsepower and torque.

2. Unique Sound: This muffler is famous for its distinctive deep, rumbling exhaust note. It gives your truck a more aggressive and powerful sound, which many enthusiasts appreciate.

3. Durability: Flowmaster mufflers are known for their high-quality materials and construction. The L163621 muffler is no exception, as it is made from aluminized steel and features a welded-in stainless steel muffler core.

4. Easy Installation: Installing this muffler is a relatively straightforward process. It is a direct-fit replacement for the stock muffler, which means no modifications are required.

1. Increased Noise Level: The primary downside of this muffler is the increased noise level. Since it is a performance muffler, it does not provide the same level of noise reduction as a stock muffler. This may not be desirable for those who prefer a quieter ride.

2. Higher Cost: Compared to the stock muffler, the Flowmaster L163621 muffler is more expensive. However, the performance and sound enhancements it provides may justify the additional cost for some enthusiasts.

3. Resonance: Some users have reported experiencing resonance or drone at certain RPMs. This is a common issue with performance mufflers and may be more pronounced in older vehicles.

The Flowmaster L163621 exhaust muffler for Chevrolet C2500 trucks from 1988 to 1992 offers several advantages, such as improved performance, unique sound, durability, and easy installation. However, it also comes with some disadvantages, including increased noise level, higher cost, and potential resonance issues.

If you are an enthusiast who values performance and a loud exhaust note, this muffler may be an excellent choice for you. However, if you prefer a quieter ride or are on a tight budget, you might want to consider other options.

If you decide to purchase the Flowmaster L163621 exhaust muffler, make sure you buy it from a reputable dealer to ensure authenticity and quality. Also, consider purchasing a high-temperature exhaust gasket and new clamps to ensure a proper fit and seal during installation.

part # l163621 prices

• $184.12-$185.62

specifications mufflermooch:

• for models: C2500
• for makes: Chevrolet
• for years: 1988-1992
• brand: Flowmaster
• part type: Exhaust Muffler
• manufacturer part number: L163621
• fitment type: Performance/custom
• material: Aluminized Steel
• shape: Oval
• outlet diameter: In , 5
• tip 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: 743593994423

seller mufflermooch:

• rating: 98.6%
• # reviews: 4030

general mufflermooch:

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

shipping mufflermooch:

• transit: 5-8 Days
• cost: $0.00
• class: Standard, Expedited, One-day
• service: Standard, Expedited, Overnight
• type: Fixed

returns mufflermooch:

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

offer mufflermooch:

• availability: In Stock
• quantity: 3
• options: Ship-to-home
• sold: 0
• started: July 4, 2025

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