MAXIMIZE YOUR S68'S POWER WITH XM G09 DOWNPIPES

Looking to extract every last ounce of power from your BMW S68 engine? The XM G09 downpipes are the perfect solution. These high-performance parts substitute the restrictive factory exhaust system, allowing for a dramatic increase in airflow and horsepower. With a precisely crafted design that maximizes exhaust gas flow, the XM G09 downpipes will g