HARLEY-DAVIDSON 66737-07 Exhaust Header Muffler Pipe Kit 4107

( Brand: Harley-davidson ), ( Manufacturer Part Number: 66737-07 ), ( Type: Exhaust Headers )

Review HARLEY DAVIDSON Custom Exhaust Header Muffler Pipe Assembly Kit Chrome #4107 fits SOFTAIL 2007

Introducing the Harley-Davidson 66737-07 2007 Softail Exhaust Header Muffler Pipe Kit 4107, a high-performance aftermarket exhaust system designed to enhance the sound and appearance of your Harley-Davidson Softail motorcycle.

This exhaust system is a complete kit, including header pipes and mufflers, which makes it a perfect solution for riders looking to upgrade their stock exhaust system. The 4107 kit is specifically designed for 2007 Harley-Davidson Softail models, ensuring a precise fit and easy installation.

The header pipes in this kit are made of high-quality stainless steel, providing superior durability and resistance to corrosion. The mandrel-bent tubing ensures a smooth exhaust flow, which can lead to improved engine performance and increased horsepower.

The mufflers in this kit feature a unique design that not only provides excellent exhaust flow but also produces a deep, rich exhaust note that is sure to turn heads. The mufflers are also made of stainless steel, ensuring they will last for years to come.

One of the key benefits of this exhaust system is the increased ground clearance it provides. By routing the exhaust pipes lower than the stock system, the 4107 kit helps prevent scraping on bumps and uneven surfaces, making it an excellent choice for riders who frequent rough roads or off-road trails.

Installation of this exhaust system is relatively straightforward, with most riders able to complete the job in a few hours using common hand tools. The kit includes all necessary hardware, making it a true bolt-on solution.

The Harley-Davidson 66737-07 2007 Softail Exhaust Header Muffler Pipe Kit 4107 is not only a great performance upgrade but also a stylish one. The polished stainless steel finish of the exhaust system looks great on any Harley-Davidson Softail, adding a touch of custom flair to your bike.

In summary, the Harley-Davidson 66737-07 2007 Softail Exhaust Header Muffler Pipe Kit 4107 is a high-quality aftermarket exhaust system designed to enhance the sound, performance, and appearance of your Harley-Davidson Softail motorcycle. With its durable stainless steel construction, improved ground clearance, and easy installation, this exhaust system is a must-have upgrade for any Harley-Davidson Softail rider.

Pros and Cons of Buying Harley-Davidson 66737-07 2007 Softail Exhaust Header Muffler Pipe Kit 4107

The Harley-Davidson 66737-07 2007 Softail Exhaust Header Muffler Pipe Kit 4107 is an aftermarket exhaust system designed to enhance the performance and sound of your Harley-Davidson motorcycle. In this analysis, we will explore the potential advantages and disadvantages of purchasing this exhaust system.

1. Improved Performance: The aftermarket exhaust system is designed to increase the flow of exhaust gases, allowing for a more efficient combustion process. This can result in increased horsepower and torque, leading to improved overall performance.

2. Enhanced Sound: The exhaust system is known for producing a distinctive and powerful exhaust note, which is a desirable feature for many Harley-Davidson riders.

3. Durability: Harley-Davidson is a reputable brand known for manufacturing high-quality products. The exhaust system is designed to withstand the rigors of regular riding, ensuring long-lasting durability.

4. Customization: The exhaust system offers a unique look, allowing riders to customize their motorcycle and distinguish it from others on the road.

5. Compatibility: The exhaust system is specifically designed for 2007 Harley-Davidson Softail models, ensuring a perfect fit.

1. Cost: The aftermarket exhaust system can be quite expensive, especially when compared to the stock exhaust system. The higher cost may be a deterrent for some riders.

2. Installation Complexity: Installing the exhaust system requires a certain level of mechanical expertise, as it involves removing the old exhaust system and installing the new one. This can be a time-consuming process and may require professional assistance.

3. Loudness: The exhaust system is known for producing a loud exhaust note, which may not be suitable for all riding environments. Some riders may prefer a quieter exhaust system for urban areas or early morning rides.

4. Weight: The aftermarket exhaust system is typically heavier than the stock exhaust system, which can affect the overall weight and handling of the motorcycle.

5. Maintenance: The aftermarket exhaust system may require more frequent maintenance due to the increased exposure to the elements and the higher operating temperatures.

The Harley-Davidson 66737-07 2007 Softail Exhaust Header Muffler Pipe Kit 4107 offers several advantages, including improved performance, enhanced sound, durability, customization, and compatibility. However, it also comes with some disadvantages, such as cost, installation complexity, loudness, weight, and maintenance requirements. Ultimately, the decision to purchase this exhaust system depends on your individual preferences, riding style, and budget. If you are looking for increased performance, a distinctive sound, and the ability to customize your motorcycle, then this exhaust system may be a worthwhile investment. However, if you prioritize quieter operation, lower cost, and ease of installation, then you may want to consider other options.

If you are considering purchasing the Harley-Davidson 66737-07 2007 Softail Exhaust Header Muffler Pipe Kit 4107, it is recommended that you carefully consider the pros and cons outlined in this analysis. Additionally, be sure to research the installation process and potential maintenance requirements to ensure that you are prepared for the commitment. Lastly, consider seeking the advice of a Harley-Davidson expert or experienced mechanic to help you make an informed decision.

Details:

Model: Softail Custom FXSTC. 2007 Harley Softail Custom Exhaust Header Muffler Pipe Assembly Kit CHROME #4107, Fallen Cycles Stock #4107 The pipes have some scrapes, as shown in the photos. This part was removed from the following motorcycle: 4107 Testing Video - 2007 Harley-Davidson Softail Custom FXSTC 8,905 miles.

part #: 6673707 prices

• $65.00-$295.00

specifications exhausterupt:

• for models: Softail
• for makes: Harley
• for years: 2007
• brand: Harley-davidson
• manufacturer part number: 66737-07
• type: Exhaust Headers

returns exhausterupt:

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

seller exhausterupt:

• rating: 99.6%
• city: Daytona Beach, Florida
• # reviews: 45826

general exhausterupt:

• condition: Used
• Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Exhaust System Kits

payments exhausterupt:

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

shipping exhausterupt:

• service: Standard
• type: Fixed
• cost: $50.00
• transit: 5-8 Days
• class: Standard

offer exhausterupt:

• options: Ship-to-home
• quantity: 1
• started: November 7, 2025
• sold: 0
• availability: In Stock

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