Featuring a patented uninterrupted-flow internal design and our Multicore technology, our XR-1® mufflers outflow a straight piece of pipe in repeated testing. For racing applications only!
Four important reasons racers win with Borla
You fear what you can't hear. Especially in any kind of breakout drag racing where you can "sneak up" on an opponent
Improved driver awareness. Drivers in all forms of racing can better tell what their cars are doing
No loss in performance. Fact is, in some cases Borla's patented XR-1® mufflers actually improved horsepower over a straight piece of pipe
Reduced driver fatigue. Very important in many forms of competition
