Borla XR-1 Racing Sportsman 2.5-inch Inlet/Outlet Oval Muffler – High-Performance Automotive Exhaust

High quality austenitic stainless steel. Patented, race-winning XR-1 Raceline technology. 3 options: Offset - Made with the same patented, flow through design as the XR-1 Sportsman oval. The inlet/outlet are offset to the same side of the muffler, to accommodate transmission and frame rail interference on some applications Oval -- BORLAs #1 selling racing muffler. Satisfies the needs of most racing applications because it is the lightest, most compact, and highest flowing racing muffler in its class and at a competitive price. Record-holder Hurley Blakeney has run BORLAs on his AA/AT Ford T-Bird because he loves the quieter driver compartment without giving up any power.Round - Made with the same patented, flow through design as the XR-1 Sportsman Oval. This Muffler is 5 inches in diameter and 15 inches long. Designed for door car/ roadster applications that require a compact round muffler. XR-1® Sportsman Racing Muffler - 2.5" Center Inlet/ 2.5" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length. Universal Part. Reversible Design. Million Mile Warranty

• Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamp 18004.
• 2.5" Center Inlet/ 2.5" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length
• Compact size is perfect for applications with limited space
• Universal muffler. Reversible design.

The Borla XR-1 Racing Sportsman muffler is engineered for competitive racing applications, crafted from high-quality austenitic stainless steel for durability and corrosion resistance. Featuring Borla's patented XR-1 Raceline technology, this muffler provides optimized flow characteristics to enhance engine performance and power output. Available in three configurations—Offset, Oval, and Round—each design is tailored to meet specific racing needs. The Offset version’s inlet and outlet are aligned on the same side to accommodate transmission and frame rail interference, making it ideal for tight-fit applications. The Oval model, Borla's best-selling racing muffler, offers a lightweight, compact design with high airflow, making it suitable for a variety of racing environments, including applications where quieter operation is desired without sacrificing power. The Round version, measuring 5 inches in diameter and 15 inches long, is optimized for door car or roadster setups requiring a compact, round muffler that maintains high flow rates and performance.

Designed with a universal, reversible construction, the XR-1 Sportsman muffler simplifies installation and compatibility across different vehicle types. The 2.5-inch inlet and outlet sizes support a range of racing exhaust systems, while the 4.25-inch by 7.88-inch oval body provides a sleek profile that fits well in constrained spaces. With a total length of 17 inches, this muffler delivers a balance of performance and compactness, making it an excellent choice for racers seeking to maximize horsepower while maintaining a clean, professional appearance. The muffler's construction features un-notched necks for easy weld-in installation and a durable, long-lasting design backed by a million-mile warranty.

This Borla muffler is not CARB-approved but complies with Prop 65 standards for safety and environmental considerations. Its lightweight and compact form factor make it suitable for high-performance applications where space and weight are critical. Whether upgrading a race car or building a custom system, the XR-1 Sportsman muffler offers reliable, high-flow exhaust performance with premium construction quality intended for demanding racing environments.

Features:

• High-quality austenitic stainless steel construction for durability and corrosion resistance

• Patented XR-1 Raceline technology for optimized exhaust flow and performance

• Available in Offset, Oval, and Round configurations to suit various racing applications

• Offset design accommodates transmission and frame rail interference

• Oval model is Borla’s best-selling racing muffler, lightweight and compact

• Round muffler measures 5 inches in diameter and 15 inches long, ideal for door cars and roadsters

• Universal, reversible design for easy installation and compatibility

• 2.5-inch inlet and outlet sizes support a wide range of exhaust systems

• Sleek oval and round body profiles for a professional, race-ready appearance

• Backed by a million-mile warranty ensuring long-term reliability

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1