Description
The Borla XR-1 Sportsman Shorty Racing Muffler is crafted from 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 offers superior flow characteristics that enhance engine performance while maintaining a quieter driver compartment. Its universal design with a reversible inlet/outlet configuration provides versatile installation options suitable for a variety of racing applications. The 3.5-inch inlet and outlet diameter facilitate optimal exhaust flow, contributing to increased horsepower and torque for competitive racing performance. Its compact dimensions, with a 5-inch round body and an overall length of 8 inches, make it ideal for door cars and roadster applications where space is limited but performance is critical. The muffler’s innovative flow-through design is shared with Borla’s popular XR-1 Sportsman oval models, but with a round configuration tailored for specific vehicle needs. This muffler is engineered to satisfy the demands of racing enthusiasts seeking lightweight, high-flow exhaust solutions at a competitive price point. The Borla XR-1 Sportsman Shorty Racing Muffler is backed by a million-mile warranty, reflecting Borla’s commitment to quality and customer satisfaction. Its sleek, reversible design allows for flexible installation, adapting easily to various exhaust layouts. Whether racing or street performance tuning, this muffler provides the durability and performance enhancements needed to outperform the competition. As a proven choice among racers, including record-holder Hurley Blakeney, this muffler delivers quiet operation without sacrificing power, making it a reliable upgrade for serious racers and automotive enthusiasts alike.
Features:
- High-quality austenitic stainless steel construction for durability and corrosion resistance
- Patented XR-1 Raceline technology for optimized exhaust flow and performance
- Universal reversible design for flexible installation
- Compact 5-inch round body ideal for door cars and roadsters
- 3.5-inch inlet and outlet diameters for enhanced exhaust flow
- Lightweight and high-flow design at a competitive price
- Backed by a million-mile warranty for long-term confidence
















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