Dinan Valved Cat-Back Exhaust System | G01 X3 · G02 X4 M40i | 3.0L Turbo I6 [B58] Color:Black increasing power and torque throughout

increasing power and torque throughout the RPM range of your BMW

and manages intake air temperatures (IATs) to elevate turbo and engine efficiency

1/4" Vacuum Line

Increases vehicle’s value (subjective)

Rear Lift: +0

Dinan Valved Cat-Back Exhaust System | G01 X3 · G02 X4 M40i | 3.0L Turbo I6 [B58] Color:Black increasing power and torque throughoutLooking to elevate the acoustics of your X3 M40i X4 M40i with an exhaust system that not only offers a much improved sound while retaining the the flexibility associated with valves, but also raises the eye appeal beyond the mundane? Look no further than the Dinan valved cat back to meet all your needs and then some! The full cat back requires no cutting and utilizes factory mounting locations that allow the Dinan exhaust system to be a