Borla
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BORLA 40359 ProXS Universal Performance Muffler 3
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BORLA 40359 ProXS Universal Performance Muffler 3
The Borla Pro XS Muffler improves airflow and horsepower, while delivering an aggressive sound.
BORLA 40359 ProXS Universal Performance Muffler 3" Offset Inlet / 3" Center Outlet 14" Long body 19" Overall Length Un-Notched Necks Reversible Design T-304 Stainless Steel
Item #: 803808

BORLA 40359 ProXS Universal Performance Muffler 3" Offset Inlet / 3" Center Outlet 14" Long body 19" Overall Length Un-Notched Necks Reversible

85% of respondents would recommend this to a friend

Item #: 803808

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The Borla Pro XS Muffler improves airflow and horsepower, while delivering an aggressive sound.
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What Stands Out

Universal Fit
The Borla ProXS muffler is designed for a wide range of vehicles, ensuring compatibility and ease of installation for enthusiasts looking to upgrade their exhaust system.
Durable Material
Constructed from T-304 stainless steel, this muffler promises exceptional durability, corrosion resistance, and longevity, making it a reliable choice for performance upgrades.
Reversible Design
Its reversible design allows for flexible installation options, enabling users to adopt either the offset inlet or center outlet, tailored to their specific vehicle needs.

Product Details

Shop the BORLA 40359 Muffler at Ubuy Vanuatu. Get the best deals on Borla Pro XS Muffler; Center/Offset; 3 in. Center Inlet; 3 in. Offset Outlet; 14 in. x 4 in. x 9.5 in. Oval Body; 19 in. OAL; Unnotched; T-304 Stainless Steel. Fast shipping available!
  • Borla Pro XS Muffler with metallic color
  • Made in the United States
  • Package dimensions: 6.0 H x 21.0 L x 11.0 W (in inches)
  • Package weight: 10.0 pounds
  • Center/Offset; 3 in. Center Inlet; 3 in. Offset Outlet; 14 in. x 4 in. x 9.5 in. Oval Body; 19 in. OAL; Unnotched; T-304 Stainless Steel
Package Weight10.1 Pound

Who Should Buy?

Suitable For
  • Performance Enthusiasts

    Ideal for users seeking enhanced sound and performance in their vehicles through high-quality stainless steel mufflers.

  • Custom Exhaust Builders

    Perfect for builders creating custom exhaust systems that require versatility with inlet and outlet configurations.

  • Off-Road Vehicles

    Beneficial for off-road vehicles needing durable, corrosion-resistant mufflers to withstand harsh environments and enhance exhaust flow.

Not Suitable For
  • Budget-Conscious Buyers

    Not suitable for those seeking economical solutions, as Borla products tend to be on the higher price end.

Product Description

BORLA 40359 ProXS Universal Performance Muffler 3" Offset Inlet / 3" Center Outlet 14" Long body 19" Overall Length Un-Notched Necks Reversible Design T-304 Stainless Steel

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What materials are used in the BORLA 40359 ProXS muffler?

    Answer: The BORLA 40359 ProXS muffler is constructed from high-grade T-304 stainless steel, known for its exceptional durability and resistance to corrosion. This material choice not only ensures a longer lifespan but also enhances the performance of your vehicle by reducing back pressure and improving exhaust flow. Perfect for performance enthusiasts or those looking to replace a stock muffler, the stainless steel design keeps its polished look while withstanding harsh automotive conditions.
  • Question: How does the reverse design of the BORLA 40359 muffler work?

    Answer: The reversible design of the BORLA 40359 muffler allows for installation flexibility, accommodating various vehicle exhaust configurations. This feature lets users install the muffler either way to ensure the best fit and sound profile for their specific vehicle model. Such adaptability makes it ideal for DIY enthusiasts who want to customize their exhaust systems without being limited to a specific orientation.
  • Question: What is the sound profile of the BORLA ProXS muffler?

    Answer: The BORLA ProXS muffler is designed to provide a deep, aggressive sound while maintaining a level of refinement at cruising speeds. This unique sound profile is ideal for performance drivers who want an audible presence that resonates during acceleration but remains manageable during everyday driving. It’s particularly suited for sports cars and trucks, enhancing overall driving enjoyment without being overly loud or disruptive.
  • Question: Can the BORLA 40359 muffler fit any vehicle?

    Answer: The BORLA 40359 ProXS muffler features a universal design, featuring standard 3-inch offset inlet and center outlet dimensions, making it compatible with a wide range of vehicles. However, installation may depend on specific configurations and exhaust setup. It's a great choice for those looking to upgrade their vehicle's exhaust system for performance or aesthetic purposes, particularly for custom builds or retrofits.
  • Question: What are the dimensions of the BORLA 40359 muffler?

    Answer: The BORLA 40359 ProXS muffler has a body length of 14 inches and an overall length of 19 inches. With a 3-inch offset inlet and a 3-inch center outlet, these dimensions are designed to fit most aftermarket exhaust systems seamlessly. When choosing this muffler, ensuring that your exhaust system can accommodate these dimensions will promote optimal performance and installation.
  • Question: Is the BORLA 40359 muffler lightweight?

    Answer: Yes, the BORLA 40359 muffler is relatively lightweight, especially considering its robust T-304 stainless steel construction. This lightweight nature helps in reducing the overall weight of the vehicle, which can lead to improved handling and performance. It’s particularly beneficial for racers or those modifying their vehicles for increased performance and agility.
  • Question: How does this muffler improve performance?

    Answer: The BORLA 40359 ProXS muffler enhances performance by reducing back pressure, thus allowing for a smoother and more efficient exhaust flow. This design helps the engine breathe better, promoting added horsepower and torque. Ideal for performance-oriented drivers or tuning projects, this boost in performance can contribute to better acceleration and overall responsiveness.
  • Question: What kind of maintenance does the BORLA 40359 muffler require?

    Answer: Maintenance for the BORLA 40359 muffler is minimal due to its stainless steel construction, which resists rust and corrosion. Regular visual checks for damages orobstructions are advisable. Keeping the exhaust system clean will also contribute to its longevity. Perfect for users who appreciate performance upgrades without the hassle of constant upkeep, this muffler is built to endure standard driving conditions.
  • Question: Where can I buy the BORLA 40359 ProXS muffler in Vanuatu?

    Answer: You can buy the BORLA 40359 ProXS Universal Performance Muffler from Ubuy in Vanuatu. Ubuy offers a wide range of automotive parts, including high-quality performance mufflers like the BORLA 40359, ensuring you receive a reliable product with a smooth shopping experience. Their platform is designed to cater to automotive enthusiasts looking to enhance their vehicles.
  • Question: Is the BORLA ProXS muffler suitable for a daily driver?

    Answer: Yes, the BORLA ProXS muffler is suitable for daily driving. It offers a balance of a performance-oriented sound without being excessively loud, making it perfect for users who want enhanced engine sound without compromising comfort. This makes it an excellent choice for those who want to enjoy their vehicle’s performance during regular commutes.

Borla Mufflers Editorial Review

BORLA 40359 ProXS Universal Performance Muffler features a 3" offset inlet and a 3" center outlet, ideal for those looking to upgrade their truck's exhaust system. This 14" long body muffler, with a 19" overall length and reversible design, is made from durable T-304 stainless steel. Users appreciate the low rumble and quality sound it delivers, making it suitable for those who want a meaner exhaust note without excessive volume or drone. It’s noted for being quieter during both initial installation and normal driving, yet still provides an aggressive tone when pushing the throttle, helping drivers balance performance with comfort. Some reviews highlight minor quality control issues, yet overall satisfaction remains high.

Customer Reviews & Ratings

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Pros

  • Quality construction with T-304 stainless steel
  • Produces a deep aggressive tone
  • Quieter than many aftermarket options
  • No drone at highway speeds
  • Easy installation with compatible setups

Cons

  • Initial loudness may not suit all preferences

Platform Trust & Buyer Confidence

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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Features & Benefits

  • Improves airflow and horsepower
  • Delivers aggressive sound
  • T-304 Stainless Steel material
  • Oval Body shape
  • Center/Offset with Inlet 3in and Outlet 3in
  • Product Dimension : 14 in x 4 in x 9.5 in and 19 in OAL

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