Borla XR-1 Muffler for Racing Applications Austenitic Stainless Steel Oval Of...

Borla XR-1 Muffler — Austenitic Stainless Steel for Racing Brand: Borla The Borla XR-1 is a race-proven muffler engineered from premium austenitic stainless steel. Using Borla’s patented XR-1 Raceline flow-through technology, it maximizes exhaust flow, minimizes backpressure and resists corrosion under extreme track conditions — delivering reliable power and durability for competitive motorsports. Why Choose the XR-1 XR-1 Raceline design: Patented flow-through architecture for peak horsepower and throttle response. Durable stainless steel: Austenitic construction resists heat and corrosion for long service life. Lightweight & compact: Saves mass and fits tight chassis locations without sacrificing flow. Cockpit noise control: Engineered to reduce in-cab noise while preserving a race-oriented tone. Available Configurations Offset: Inlet and outlet offset to the same side for transmission and frame rail clearance. Oval: Borla’s top-selling racing option — lightest, highest-flowing and cost-effective. Round (5" x 15"): Compact profile ideal for door cars and roadsters with limited space. The Borla XR-1 is built for racers who demand maximum flow, packaging versatility and proven durability. Perfect for drag, road and circuit applications where every horsepower and ounce matters.