HARLEY 638Z-31B Cat Exhaust Up Tire 2/1

( Color: Black ), ( Material: Steel ), ( Type: Complete Exhaust System ), ( Manufacturer Part Number: 638Z-31B ), ( Performance Part: Yes ), ( Universal Fitment: No )

Review HARLEY 638z-31bd Cat Black 2/1 Exhaust Up Wide Tire Model's fits FAT SOFTAIL 2018

The 638z-31b Fat Cat exhaust system from Vance & Hines is a must-have upgrade for any Harley-Davidson Softail model from the 2018 model year and above. This exhaust system is designed to deliver a powerful and distinctive sound, while also enhancing the visual appeal of your motorcycle.

The 638z-31b Fat Cat exhaust system is made from high-quality stainless steel, ensuring durability and resistance to corrosion. The system features a 3-inch diameter muffler that is wrapped in a black ceramic coating, giving it a sleek and modern look. The exhaust tips are also blacked out, adding to the system's stealthy and menacing appearance.

This exhaust system is specifically designed to fit Harley-Davidson Softail models from 2018 onwards, and it replaces the stock exhaust system with ease. The installation process is relatively straightforward, and it does not require any modifications to the motorcycle's frame or engine.

One of the most notable benefits of the 638z-31b Fat Cat exhaust system is the increased power and performance it delivers. The system is designed to provide a more efficient exhaust flow, resulting in improved engine breathing and increased horsepower and torque. The exhaust system also features a high-performance catalytic converter, ensuring that your motorcycle remains environmentally friendly while delivering impressive power gains.

The 638z-31b Fat Cat exhaust system also offers a significant improvement in exhaust note and tone. The system delivers a deep, rumbling exhaust note that is sure to turn heads and leave a lasting impression. The exhaust system's design allows for optimal exhaust scavenging, resulting in a smooth and powerful exhaust flow that is both pleasing to the ear and the eye.

In summary, the 638z-31b Fat Cat exhaust system from Vance & Hines is an excellent upgrade for any Harley-Davidson Softail model from the 2018 model year and above. The system offers improved performance, increased power, and a distinctive and powerful exhaust note, all wrapped up in a sleek and modern design. With its high-quality materials and straightforward installation process, this exhaust system is an investment that is sure to provide years of enjoyment and satisfaction.

Pros and Cons of Buying a 638z-31B Fat Cat Exhaust for 2018 and Up Harley-Davidson Softail Motorcycles

a. Improved power and torque due to the free-flowing design.

b. Enhanced engine sound, giving your Harley-Davidson a more aggressive and distinctive exhaust note.

c. Polished chrome finish adds a visually appealing appearance to your motorcycle.

a. May require retuning of the fuel injector or carburetor to ensure proper engine functioning.

b. Louder exhaust noise may not be suitable for all riding environments or personal preferences.

c. Potential for increased emissions and potential negative impact on fuel efficiency.

a. Constructed from high-quality stainless steel, ensuring long-lasting durability.

b. Heat shields to protect the rider's legs from excessive heat.

a. The additional weight of the exhaust system may place additional stress on other components, such as the drivetrain or suspension.

b. The expensive price tag may require a significant investment.

a. The exhaust system is a bolt-on installation, making it easier for most riders to install without professional assistance.

a. The installation process may require some modifications to your motorcycle, such as relocating the license plate or adjusting the exhaust pipes.

b. The process of installing the exhaust system may take several hours, depending on your mechanical abilities and experience.

The 638z-31B Fat Cat Exhaust for 2018 and Up Harley-Davidson Softail motorcycles offers improved performance, a distinctive appearance, and durability. However, it comes with some drawbacks, including the potential for increased noise levels, potential impact on fuel efficiency, and the need for professional installation for some modifications. Ultimately, the decision to purchase this exhaust system depends on your personal preferences, riding style, and budget.

If you're looking for increased power and torque, a unique exhaust note, and a visually appealing addition to your Harley-Davidson Softail, the 638z-31B Fat Cat Exhaust is an excellent choice. However, if you prioritize a quieter exhaust, fuel efficiency, or a lower investment, you may want to consider alternative exhaust options. Always consult with a professional mechanic before making any modifications to your motorcycle to ensure a safe and effective installation.

Details:

Fits 2018 up Harley M8 Softail Breakout and Fat Bob Wide Tire model's. I am sorry if shipping appears expensive, these are the carrier rates. The shipping charges shown cover cost of only. The M8 Softail Fat Cat full system is equipped with heat shields, exhaust gaskets, bolt kit and baffle has a 4 muffler housing louvered back cut tip.

Does not fit Street Bob, Low Rider, Slim, Fat Deluxe, Sport Glide and Heritage Classic. Please look closely at pictures and decide condition fitment for yourself.D Fat Cat Black 2:1 Exhaust 2018 Up Harley Softail Wide Tire model's 638Z-31B:: New Old Stock-, Part # 638Z-31B - 2 into 1 M8 model's, The is a stepped header system at 3/4 1 7/8 2 1/8 collector 1/2 where the muffler goes.

part #: 638z31b prices

• $237.99-$645.00

specifications exhausterupt:

• for models: Fat, Softail
• for makes: Harley
• for years: 2018
• color: Black
• material: Steel
• type: Complete Exhaust System
• manufacturer part number: 638Z-31B
• performance part: Yes
• universal fitment: No

offer exhausterupt:

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

returns exhausterupt:

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

general exhausterupt:

• condition: New other see details
• Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Exhaust System Kits

shipping exhausterupt:

• cost: $50.00
• class: Standard
• type: Fixed
• transit: 4-9 Days
• service: UPS Ground
• carrier: UPS

payments exhausterupt:

• credit card: Visa
• wallet: Paypal
• other

seller exhausterupt:

• rating: 99.8%
• city: East Peoria, Illinois
• # reviews: 15172

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