Description
The Borla XR-1 Racing Sportsman Muffler is engineered with high-quality austenitic stainless steel, ensuring durability and resistance to corrosion under demanding racing conditions. Featuring Borla’s patented XR-1 Raceline technology, this muffler delivers optimal flow characteristics to maximize engine performance while maintaining a quieter driver compartment. Its versatile design includes three configurations: Offset, Oval, and Round, each tailored to different racing and application needs. The Offset version features a flow-through design with inlet and outlet on the same side, ideal for vehicles with transmission or frame rail interference. The Oval model, known as Borla’s best-selling racing muffler, combines lightweight construction with high flow capacity for competitive racing environments, making it a popular choice among racers like Hurley Blakeney, who appreciates reduced noise without sacrificing power. The Round version, measuring 5 inches in diameter and 15 inches long, provides a compact solution suitable for door cars and roadsters requiring a shorter, round muffler. This universal part is reversible, allowing for versatile installation options, and features a 2.5-inch center inlet and outlet for seamless integration into most exhaust systems. Built with Borla’s commitment to quality, it comes with a million-mile warranty, ensuring long-lasting performance on the track and street. Designed to meet the needs of serious racers and performance enthusiasts, the XR-1 Sportsman Muffler combines innovative technology, lightweight construction, and superior flow to enhance vehicle performance while maintaining a quieter, more comfortable driving experience.
Features:
- High-quality austenitic stainless steel construction for durability and corrosion resistance
- Patented XR-1 Raceline technology for optimized exhaust flow and performance
- Three configuration options: Offset, Oval, and Round, to suit various applications
- Offset design accommodates transmission and frame rail interference
- Oval model is lightweight, compact, and high-flow, ideal for racing
- Round model measures 5 inches in diameter and 15 inches long, suitable for door cars and roadsters
- Universal, reversible design for flexible installation
- 2.5-inch center inlet and outlet for seamless system integration
- Backed by a million-mile warranty for long-term performance
















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