Borla XR-1 Multi-Core Racing Muffler

Universal Fitment

Part #: 401384

Overview

The Borla XR-1 Multi-Core 2.5-inch Center/Center Racing Muffler is a high-performance exhaust component designed for enthusiasts seeking a combination of aggressive sound and reliable durability. Crafted with precision, this muffler is suitable for both classic and modern vehicles that require ground clearance considerations. Its compact, 4-inch round body and reversible design make it a versatile choice for a wide range of applications. Whether you're upgrading your race car or enhancing your vehicle's exhaust system, this muffler helps deliver a deep, refined tone while supporting optimal exhaust flow and heat management. Designed for drivers who demand quality and performance, the XR-1 muffler offers a balance of sound attenuation and aggressive exhaust note, making it ideal for racing and spirited driving. Its universal fitment ensures compatibility with various vehicle configurations, providing a straightforward upgrade for those looking to improve their vehicle's sound and aesthetic appeal.

Key Features

This muffler features Borla's patented Multicore design, which effectively attenuates sound while maintaining a powerful exhaust tone. Constructed from high-temperature stainless steel, it offers excellent resistance to corrosion and thermal stress. The multi-core internal structure enhances exhaust flow, supporting improved response and performance. Its reversible design allows for flexible installation options, making it suitable for a variety of setups. The compact diameter ensures compatibility with ground clearance constraints, making it an excellent choice for both classic and modern vehicles. The overall construction emphasizes durability and consistent performance under demanding conditions.

Construction & Design

The XR-1 muffler is built with a high-temperature stainless steel body, featuring a 4-inch round shape that maximizes internal volume for sound control and flow efficiency. The internal multicore design is engineered to provide effective sound attenuation without sacrificing exhaust flow, ensuring a balanced sound profile. Its reversible configuration allows for versatile installation, accommodating different exhaust layouts and vehicle orientations.

Driving Feel & Feedback

This racing muffler enhances the auditory experience of your vehicle by producing a deep, aggressive exhaust note that complements high-performance driving. The design supports improved exhaust flow, which can contribute to better throttle response and engine efficiency. The sound profile is tuned to deliver an exhilarating driving experience without excessive drone, making it suitable for both track days and spirited street driving.

Installation & Fitment

Designed as a universal part, the XR-1 muffler can be adapted to a variety of vehicle exhaust systems. Its reversible design simplifies installation, allowing for flexible orientation based on your vehicle's configuration. Proper fitment should be verified against your specific application and exhaust layout.

What’s Included

The package includes the XR-1 Multi-Core Racing Muffler with all necessary mounting hardware for installation. Additional components or adapters are not included and may be required depending on your vehicle's exhaust system.