Plain and simple, NUMBERS talk! Injen has a strong legacy of designing and thoroughly testing every product we develop and the SES9300AB clearly benefits from our dedication to performance. Our engineers put in countless hours of testing to prove that we have developed the safest, highest performing exhaust system on the market. With a proven X additional horsepower and X Lbs-Ft. of torque, Injen is proud to say that the SES9300AB exhaust system is the very best high tuck exhaust for your Ford Bronco that money can buy!