MAD BMW E Chassis N55 Downpipe 135 335 g20 carbon fiber diffuser CSF recommends using Injector Dynamics

CSF recommends using Injector Dynamics (ID) injectors for the best performance – the most commonly used injector for this engine has been ID model # 1050

Optional: MSL Oil ThermostatWe advise adding the MSL Oil Thermostat for optimal cooling results

Wirelessly connect the S58 JB4 to your Bluetooth 4

Heavy-duty 304 stainless steel construction (2

aggressive tone

MAD BMW E Chassis N55 Downpipe 135 335 g20 carbon fiber diffuser CSF recommends using Injector DynamicsUpgrade from the stock N55 downpipe to the MAD N55 catless downpipe for maximum airflow, power, and sound! The Mad N55 Catless Downpipe is a high quality aftermarket performance part designed to enhance the power and sound of your BMW. Made from premium grade stainless steel, this downpipe is engineered to deliver maximum performance gains by optimizing exhaust flow. The removal of the catalytic converter allows for a freer flow of exhaust gases,