Borla ProXS Muffler

Universal Fitment

Part #: 40659

Overview

The Borla 40659 ProXS Muffler is a high-performance exhaust component designed for enthusiasts seeking improved sound and durability. Crafted from premium T-304 stainless steel, this muffler offers excellent corrosion resistance and longevity. Its compact, oval body measures 14 inches by 4.25 inches with a length of 19 inches, making it ideal for applications with limited space. The reversible design provides installation flexibility, allowing you to customize your exhaust setup with ease. Whether you're upgrading for enhanced sound or improved exhaust flow, this muffler is engineered to meet the demands of performance-oriented vehicles and custom builds.

Key Features

This ProXS muffler combines quality materials and thoughtful design to deliver a reliable and versatile exhaust solution. Key features include:

• Constructed from durable T-304 stainless steel for corrosion resistance and long-lasting performance
• Compact oval shape designed for tight spaces and custom exhaust configurations
• Reversible inlet/outlet orientation for flexible installation options
• 2.5-inch inlet and 2.25-inch offset outlet to support various exhaust setups
• Unnotched design for versatile mounting and sound tuning
• High-quality craftsmanship for consistent performance and sound quality

Construction & Design

The Borla ProXS Muffler features a precision-machined, oval stainless steel body that balances durability with a sleek aesthetic. Its compact size makes it suitable for a range of vehicle applications where space is limited, without compromising on performance or sound quality. The reversible design is achieved through carefully engineered inlet and outlet ports, allowing for installation versatility and optimal exhaust flow management.

Driving Feel & Feedback

While primarily focused on exhaust flow and sound, this muffler helps enhance the overall driving experience by providing a deeper, more refined exhaust note. Its high-quality construction ensures consistent performance and reliable operation, supporting your vehicle’s exhaust system with a durable, corrosion-resistant component that maintains its integrity over time.

Installation & Fitment

Designed as a universal component, the Borla ProXS Muffler requires proper fitment verification against your vehicle’s exhaust system. Its reversible inlet and outlet ports facilitate flexible installation, but professional installation is recommended to ensure optimal alignment and sealing. The compact size simplifies mounting in tight spaces, making it suitable for custom exhaust setups or replacement applications.

What’s Included

The package includes one Borla ProXS Muffler with the specified inlet and outlet configurations, ready for installation into compatible exhaust systems. Hardware and additional mounting accessories are not included and should be sourced separately if needed.