Borla Universal ProXS Muffler

Universal Fitment

Part #: 400494

Overview

The Borla 400494 Universal 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 exceptional resistance to rust and corrosion, ensuring long-lasting performance even in harsh conditions. Its oval body and center inlet/outlet configuration make it suitable for a wide range of custom exhaust setups. Whether you're upgrading your vehicle's sound profile or enhancing its exhaust flow, this muffler provides a reliable solution that combines quality construction with versatile installation options. Its notched necks facilitate easy clamp-on mounting, and the reversible design allows for flexible positioning to suit your specific application. This muffler is ideal for those looking to achieve a deeper, more aggressive exhaust note while maintaining durability and ease of installation.

Key Features

This ProXS muffler features a high-quality stainless steel construction that ensures longevity and resistance to corrosion. Its notched neck design simplifies installation, allowing for quick and secure clamp-on attachment. The reversible design provides installation flexibility, accommodating various exhaust configurations. With a compact size of 14 inches in length, 4 inches in width, and 9.5 inches in height, it fits a broad range of custom exhaust systems. The free-flow design promotes optimal exhaust flow, supporting improved sound and performance. Fully welded for strength and durability, this muffler is built to withstand the rigors of daily driving and spirited performance. Its sleek oval shape not only enhances aesthetic appeal but also contributes to efficient sound attenuation and flow characteristics.

Construction & Design

Constructed from T-304 austenitic stainless steel, the Borla ProXS Muffler is engineered for durability and corrosion resistance. The notched necks are precisely machined to facilitate straightforward clamp-on installation, reducing setup time and complexity. Its welded construction ensures a robust, leak-free seal, supporting consistent performance over time. The oval body design balances structural integrity with aesthetic appeal, making it suitable for custom applications where both form and function matter.

Driving Feel & Feedback

While primarily an exhaust component, this muffler contributes to the overall driving experience by delivering a deeper, more refined exhaust note. Its free-flow design minimizes backpressure, supporting smoother engine operation and potentially enhancing throttle response. The high-quality materials and construction help maintain consistent sound and performance, providing a satisfying auditory feedback during spirited driving or daily commutes.

Installation & Fitment

Designed for universal fitment, this muffler's notched necks allow for easy clamp-on installation. The reversible design offers flexibility in positioning, making it adaptable to various exhaust layouts. Installation should be verified against your specific vehicle and exhaust system to ensure compatibility. The straightforward mounting process makes it suitable for DIY enthusiasts and professional installers alike.

What’s Included

The package includes the Borla ProXS Muffler with notched necks, ready for clamp-on installation. Hardware or additional mounting accessories are not included and should be sourced separately based on your specific application.