Improve your diesel trucks performance with aFe large bore-HD exhaust system. You don't just get a little sound and power with aFe, you will get increased horsepower, a boost in MPG, and an amazing exhaust tone. This large bore diesel exhaust kit is constructed out of stainless steel that is mandrel bent to fit your specific year, make and model. Ever exhaust system that aFe makes is dyno testing and can improve your horsepower by 15 and your torque by 31.lbs. AFE made installing the large bore as simple as possible with using the same mounting placements as your OEM exhaust. So if you are looking to make your diesel roar, then look no further than the aFe large bore-HD exhaust system. Get yours ordered today! | aFe Large Bore-HD Exhaust System 49-44144-B