G4X BMW M240i Valved Rear Axle-back Exhaust Exhaust w Tips:w carbon fiber tips Gains of 5+ HP over

Gains of 5+ HP over stock configuration

Rotrex C38-81 trim supercharger

After months of research and development

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G4X BMW M240i Valved Rear Axle-back Exhaust Exhaust w Tips:w carbon fiber tips Gains of 5+ HP overG4X BMW M240i Rear Exhaust At Active Autowerke, it's not ONLY about making as much power as possible but to maximize the enjoyment of the drive. For over 40 years, power has been the end result of improved performance due to our relentless desire to develop a refined, quality product. This philosophy behind our performance parts is best represented by one of the newest additions to our G4X BMW M240i collection. The Active Autowerke M240i rear exhaust