WALKER EXHAUST 21387 Muffler Resonators

( Brand: Walker Exhaust ), ( Part Type: Muffler ), ( Manufacturer Part Number: 21387 )

Review WALKER EXHAUST

The Walker Exhaust 21387 is a high-performance aftermarket exhaust system designed to enhance the power and efficiency of your vehicle's engine while providing a distinct and appealing exhaust note. This exhaust system is engineered to fit select Ford, Lincoln, and Mercury models and is a direct replacement for the original equipment exhaust.

The Walker Exhaust 21387 is made of premium quality materials, including mandrel-bent stainless steel tubing, for a perfect fit and superior durability. The system features a polished stainless steel muffler with a 4-inch inlet and outlet, which helps reduce exhaust backpressure and improve engine breathing. The muffler also includes a multi-core design for effective noise reduction, providing a balanced exhaust sound that is both powerful and refined.

The Walker Exhaust 21387 comes with all necessary hardware for a straightforward installation process. The system includes a catalytic converter, which helps reduce exhaust emissions and meet federal emission standards. Additionally, the exhaust features a 4-inch diameter tip, which not only provides a bold and aggressive look but also helps improve exhaust flow and performance.

Overall, the Walker Exhaust 21387 is an excellent choice for vehicle enthusiasts looking to upgrade their exhaust system for improved performance and a unique exhaust note. With its premium quality materials, precise fitment, and easy installation process, this exhaust system is sure to exceed your expectations and deliver a noticeable improvement in power and efficiency.

Walker Exhaust Part Number 21387 is a catalytic converter designed for select Ford, Lincoln, and Mercury vehicles. This component is a crucial part of the vehicle's exhaust system, responsible for reducing harmful emissions before they are released into the environment. Here are some pros and cons of buying this Walker Exhaust catalytic converter:

1. High-quality design: Walker Exhaust is a reputable brand known for manufacturing high-quality automotive components. The 21387 catalytic converter is designed to meet or exceed original equipment manufacturer (OEM) specifications.

2. Durability: Walker Exhaust uses advanced materials and manufacturing processes to ensure the catalytic converter lasts longer than many aftermarket alternatives.

3. Improved engine performance: A functioning catalytic converter is essential for maintaining optimal engine performance. Replacing a faulty one with a new Walker Exhaust catalytic converter can help improve acceleration, fuel efficiency, and overall power.

4. Emissions compliance: The 21387 catalytic converter helps your vehicle meet or exceed emissions standards, ensuring you're doing your part to protect the environment.

5. Warranty coverage: Walker Exhaust offers a limited lifetime warranty on this catalytic converter, providing peace of mind and protection against manufacturing defects.

1. Cost: While the Walker Exhaust 21387 catalytic converter offers several benefits, it may be more expensive than some aftermarket alternatives.

2. Installation: Installing a catalytic converter can be a complex process, especially for those without extensive automotive experience. It may be necessary to hire a professional mechanic to ensure proper installation.

3. Availability: Depending on your specific vehicle make, model, and year, the Walker Exhaust 21387 catalytic converter may not be readily available at local auto parts stores. You may need to order it online or through a specialty supplier.

The Walker Exhaust catalytic converter 21387 offers several advantages, including improved engine performance, durability, emissions compliance, and a limited lifetime warranty. However, it may come with a higher cost and potential installation challenges. Considering these factors, if you're looking for a high-quality, long-lasting catalytic converter that meets or exceeds OEM specifications, the Walker Exhaust 21387 is an excellent choice. If budget is a concern, you may want to explore alternative options, but keep in mind that you may sacrifice some level of performance and durability.

part # 21387 prices

• $152.89-$207.99

specifications mufflermooch:

• brand: Walker Exhaust
• part type: Muffler
• manufacturer part number: 21387

payments mufflermooch:

• other
• credit card: Mastercard
• wallet: Apple-pay

offer mufflermooch:

• started: February 28, 2026
• quantity: 3
• sold: 0
• availability: In Stock
• options: Ship-to-home

shipping mufflermooch:

• class: Standard
• service: Standard
• type: Fixed
• transit: 5-11 Days
• cost: $30.01

general mufflermooch:

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

returns mufflermooch:

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

seller mufflermooch:

• # reviews: 872
• rating: 99.6%

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