If your BMW has tuning high boost, double side aluminum pipe.... make your BMW even better

Replaces BMW part number:

• 13717605044

• 13717597591

KEY FEATURES

• OEM Fitment

• Increase Caliber and Flow

• Increase Throttle Response

• Decrease Turbo Lag

• 3-Ply Reinforced Silicone Couplers

• Bung for Water Injection

• Smooth Electroplating Inside (optional, customized color) 

APPLICATIONS

• M125i

• 220i

• 320i ,328i   320GT  328GT 

• 420i ,428i , 420GC , 428GC