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aFe Large Bore HD Exhaust Systems features smooth mandrel bends that reduce turbulence. Exhaust turbulence is responsible for some of the greatest power losses in a factory system, and the aFe exhaust system works hard to overcome it to bring out the best performance from every vehicle.
Choose from aluminized steel in turbo back, cat back or tom kit. AFE diesel exhausts are a natural extension of AFE's efforts to enhance the science of airflow management in performance vehicles. This is especially true in the diesel motor, which is simply a huge air pump. Since diesel engines are a compression ignition engine and modern diesel-powered vehicles are turbocharged, the more air you pump in, the more power you generate. However, which turbocharged diesel, it is very important to get the hot truck exhaust out or the Exhaust Gas Temperature (EGT) rise to critical level that could damage the turbo itself.