Borla XR-1 Racing Sportsman 4-inch Inlet/Outlet Oval Muffler – High-Flow Performance for Racing Applications

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 - 4" Center Inlet/ 4" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length. Universal Part. Reversible Design. Million Mile Warranty

• 4" Center Inlet/ 4" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length
• Compact size is perfect for applications with limited space
• Un-Notched necks are designed for weld in installation
• Universal muffler. Reversible design.

The Borla XR-1 Racing Sportsman muffler is engineered from high-quality austenitic stainless steel, ensuring durability and resistance to corrosion even under demanding racing conditions. Featuring Borla’s patented XR-1 Raceline technology, this muffler delivers optimal flow and performance, making it a preferred choice among professional racers and enthusiasts alike. Designed with versatility in mind, it offers three distinct configurations: Offset, Oval, and Round, each tailored to specific application needs. The Offset option features a flow-through design with inlet and outlet positioned on the same side, ideal for accommodating transmission and frame rail interference on some vehicles. The Oval version, Borla’s top-selling racing muffler, is renowned for its lightweight construction, compact size, and high flow rates, making it suitable for most racing scenarios. The Round model, with a 5-inch diameter and 15-inch length, is designed specifically for door cars and roadsters requiring a compact, high-performance muffler that