The Borla XR-1 4-inch Center-to-Center Round Rotary Race Muffler is a high-performance exhaust component specifically designed for rotary engine-equipped vehicles. Engineered for racing applications, this muffler features advanced multicore technology combined with a patented uninterrupted-flow design to maximize exhaust flow, minimize backpressure, and improve engine responsiveness. Constructed from durable stainless steel, it offers excellent longevity and resistance to high temperatures and corrosion. The XR-1 muffler is optimized for racing environments, delivering enhanced sound and performance characteristics that appeal to motorsport enthusiasts seeking reliable, high-quality exhaust upgrades.
This universal fitment muffler is suitable for a wide range of rotary engine vehicles, providing a direct bolt-on upgrade for racing and high-performance builds. Its 4-inch diameter and round shape are ideal for applications requiring efficient exhaust flow and aggressive sound. The kit includes the necessary mounting hardware for straightforward installation. Designed for track use or high-performance street driving, this muffler enhances exhaust efficiency and engine response, making it an excellent choice for racers and enthusiasts aiming to maximize their vehicle’s performance.
