Supersprint Downpipe With Metallic Catalytic (200 CPSI) - BMW 1 Series F20/F21 M140I | 2 Series F22/F23 M240I | 3 Series F30/F31 340I F31 Alternative to 776103

Alternative to 776103

Heated and pneumatic lumbar support options

Additional 20-25 hp on a stock vehicle

adding aggressive fins to the center section of the rear bumper while maintaining the outermost ridge of the factory BMW diffuser so as to appropriately balance the existing body lines with the new fins

Supersprint Downpipe With Metallic Catalytic (200 CPSI) - BMW 1 Series F20/F21 M140I | 2 Series F22/F23 M240I | 3 Series F30/F31 340I F31 Alternative to 776103NOT ROAD LEGAL This Supersprint downpipe is designed to be a plug&play upgrade. It replaces the stock components without any modification. O2 sensor plugs and mounting brackets are in the same position as the OEM unit. The catalytic converter is a 200 CPSI unit, with a metallic honeycomb and a high content of noble metals. The shape and volume have been decided for optimal efficiency, thus the generous size. The high amount of noble metals avoid any