Description
The Borla XR-1 Racing Sportsman Muffler is engineered for high-performance racing applications, crafted from high-quality austenitic stainless steel for durability and corrosion resistance. Featuring patented XR-1 Raceline technology, this muffler is designed to maximize airflow and optimize exhaust efficiency, contributing to enhanced horsepower and overall vehicle performance.
Available in three configurations, the offset option accommodates transmission and frame rail interference with its flow-through design, making it ideal for custom race setups. The oval version, Borla’s top-selling racing muffler, offers a lightweight and compact solution that satisfies the demands of most racing environments, providing a balance of high flow and quieter operation without sacrificing power. The round model, measuring 5 inches in diameter and 15 inches long, is tailored for door car and roadster applications requiring a compact round muffler, ensuring versatile fitment across various race vehicles.
With a universal, reversible design, the XR-1 Sportsman muffler features a 4-inch center inlet and outlet, with a body measuring 4.25 inches by 7.88 inches and an overall length of 12 inches, making it suitable for a wide range of racing configurations. Borla’s commitment to quality is evident in its million-mile warranty, ensuring long-term reliability and performance. This muffler is prop 65 compliant, providing peace of mind for racers concerned with safety and environmental standards. Designed for professional racing, the XR-1 Sportsman muffler delivers exceptional flow characteristics and durability, helping drivers achieve record-setting results while maintaining a quieter driver compartment and a competitive edge in motorsports.
Note that this product is not CARB approved and is not intended for street use, emphasizing its focus on racing performance and durability in demanding environments.
Features:
- High-quality austenitic stainless steel construction for durability and corrosion resistance
- Patented XR-1 Raceline technology for optimized airflow and performance
- Offset configuration accommodates transmission and frame rail interference
- Oval and round options designed for various racing applications
- Lightweight and compact design offers high flow and quieter operation
- Universal reversible design for versatile installation
- 4-inch center inlet and outlet with a 4.25 x 7.88-inch oval body
- Overall length of 12 inches with a 5-inch diameter round version available
- Prop 65 compliant and backed by a million-mile warranty





















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