Aero Exhaust AT4040 Diesel Muffler 4" (Loud)

Aero Exhaust AT5050XL 4" Universal Diesel Muffler

The 4040 is a 4" i.d. inlet, 4" i.d. outlet. The Aero Turbine Series 4040 was designed for high-output Diesel engines. The 4040 is currently being used on a wide variety of gas and diesel applications . As the only muffler to have the patented airfoil technology, the 4040 is the hottest new product on the Car Truck and SUV performance exhaust market today. The 4040 is completely T304 stainless steel inside and out. There is no packing or moisture collecting material in the muffler. The hand-polished stainless steel 4040 will give you the look and feel that you want and the performance you deserve. Increase HP over stock mufflers 3-7% depending on engine and modifications. Inlet: 4" Outlet: 4" Body diameter: 6" Overall length: 20"

The 4040 is a 4" i.d. inlet, 4" i.d. outlet. The Aero Turbine Series 4040 was designed for high-output Diesel engines. The 4040 is currently being used on a wide variety of gas and diesel applications . As the only muffler to have the patented airfoil technology, the 4040 is the hottest new product on the Car Truck and SUV performance exhaust market today.

Product Features:

• Improved Horsepower
• Improved Fuel Mileage
• Decreased EGT's
• Universal Application