Dyno Proven: Clean and simple, NUMBERS talk! Injen has put in the time and diligence to stand behind our performance data. We put in the time to test and prove that we have developed a superior kit for your B58 equipped BMW. After hours of designing and dyno testing, Injen is proud to say that the EVO1108 Evolution Air Intake system puts down consistent power numbers of up to 13 additional horsepower and 11 Lb-Ft. of torque.
