The Borla 400261 is a high-performance racing muffler featuring a 3.5-inch diameter tubing, 6.25-inch width, and 24-inch length. Constructed with XR-1 stainless multicore technology, this muffler is engineered to optimize exhaust flow, enhance response, and improve heat management during demanding racing conditions. Its durable stainless steel build ensures longevity and resistance to high temperatures, making it suitable for serious motorsport applications. The multicore design provides a balanced combination of sound attenuation and exhaust efficiency, delivering a more aggressive exhaust note while maintaining performance.

Designed for universal fitment, the Borla 400261 can be adapted to a variety of vehicles requiring a high-performance racing muffler. It is ideal for track use, racing builds, or enthusiasts seeking maximum exhaust response. Installation involves standard mounting procedures for universal applications, and the kit includes the necessary components for secure attachment. This muffler is suitable for use in racing environments where durability, heat resistance, and optimal exhaust flow are critical for performance gains.