Borla XR-1 Mufflers for Rotary Engines T-304 Stainless Steel Multicore Design

Borla XR-1 Mufflers for Rotary Engines — T-304 Stainless Multicore Design Engineered for rotary engines and ideal for high-horsepower builds, the Borla XR-1 muffler pairs race-proven flow dynamics with durable materials to improve power, throttle response, and exhaust tone for street, track, and truck applications. Patented Multicore design maximizes exhaust velocity and minimizes backpressure for improved horsepower and torque T-304 stainless steel construction resists corrosion and roadwear for long service life 100% welded seams ensure leak-free performance and structural integrity under high stress High-temp CFF acoustic material delivers a tuned, aggressive exhaust note without drone or power loss Reversible body provides installation flexibility for tight or custom-fit applications Long-body form suits truck packaging or applications requiring additional volume Made in the USA by Borla — trusted heritage in performance exhaust technology This XR-1 muffler is recommended for rotary engine enthusiasts and performance builders seeking a durable, high-flow solution that balances power gains with a purposeful sound. Compatible with many custom and OEM exhaust systems. Note: shipped without logo embossment.