For returning customers, please enter your email and password to log in to your account.
Borla XR-1 Multi-core Racing Muffler is ideal for high horsepower applications. This muffler features a patented multi-core design for maximum power, drone reduction, and more mellow tones than Sportsman. The XR-1 multi-core muffler's compact size is perfect for applications with limited space. It is built from high-quality T-304 austenitic stainless steel that will never rust. Each Borla muffler is backed by Borla's Million-Mile Warranty.