Skip to product information
1 of 6

Borla XR-1 3in Ctr-Ctr Round 16x6.25in Racing Muffler | Rotary Engine (400373)

Borla XR-1 3in Ctr-Ctr Round 16x6.25in Racing Muffler | Rotary Engine (400373)

SKU:400373

In stock

Regular price $299.99 USD
Regular price $335.99 USD Sale price $299.99 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Borla XR-1 3-inch Ctr-Ctr Round 16x6.25-inch Racing Muffler is a high-performance exhaust component engineered specifically for rotary engine-equipped vehicles. Constructed from durable stainless steel with a natural finish, this muffler features advanced multi-core technology to enhance exhaust flow and produce a distinctive race-inspired sound. Its design emphasizes robustness and efficiency, making it suitable for motorsport applications and high-performance driving. The XR-1 muffler is optimized to deliver improved horsepower and torque, while maintaining durability under demanding conditions, ensuring reliable performance on the track or street.

This universal fitment muffler accommodates a wide range of rotary engine setups, making it versatile for various vehicle makes and models. It measures 16 inches in length with a 3-inch inlet and outlet, designed for direct bolt-on installation. Ideal for racing, track days, or spirited driving, the XR-1 muffler enhances exhaust flow and sound profile without requiring extensive modifications. The kit includes the muffler unit and necessary mounting hardware, providing a straightforward upgrade for enthusiasts seeking increased performance and a aggressive exhaust note.

Overview

Borla XR-1 Multi-Core Racing Muffler

Universal Fitment

Part #: 400373

Overview

The Borla 400373 XR-1 Multi-Core Racing Muffler is a high-performance exhaust component designed specifically for rotary engine-equipped vehicles. Crafted from durable stainless steel with a natural finish, this muffler combines advanced engineering with robust materials to deliver a race-inspired sound and optimized exhaust flow. Its universal design ensures compatibility with a wide range of rotary engine setups, making it an ideal choice for enthusiasts seeking to enhance their vehicle’s sound and performance. The muffler’s compact, round body measures 16 inches in length with a 6.25-inch diameter, providing a sleek, aggressive appearance that complements high-performance builds. Its reversible design offers added flexibility during installation, allowing for customized exhaust routing to suit your vehicle’s configuration. Whether you’re aiming for improved sound quality, a more aggressive tone, or enhanced exhaust flow, this muffler helps support your performance goals while maintaining durability and reliability under demanding conditions.

Key Features

This XR-1 Multi-Core Racing Muffler features a thoughtfully engineered design focused on performance and durability. Key features include:
  • Constructed from high-quality stainless steel for corrosion resistance and longevity
  • Multi-core internal design to optimize exhaust flow and sound characteristics
  • 3-inch inlet and outlet diameters for efficient exhaust gas movement
  • Compact 16-inch round body with a 6.25-inch diameter for a sleek, race-inspired look
  • Overall length of 21 inches, suitable for various rotary engine applications
  • Reversible design for flexible installation options
  • Universal fitment, compatible with a wide range of rotary engine vehicles
View full details