An L5P is a powerful engine, and often its owners want to make them sound louder. With its 445 horsepower and 910 feet of torque, a growling powerful sound makes the truck even more formidable and powerful. High emission standard and systems that comes with it make it harder to make the L5P sound louder. But there are ways how to make L5P louder without deleting the DPF and EGR. There are three most common ways to make the L5P louder, proven over the years. You can upgrade the exhaust system,...
