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4040XL Resonated Performance Diesel Exhaust The Aero Turbine XL 4040XL is a Resonated 4" i.d. inlet, 4" i.d. outlet. The 4040XL was designed for high-output diesel engines. The 4040XL was designed specifically for Diesel Trucks with a standard 4" exhaust system, but a 3 1/2" exhaust pipe standard on most Diesel trucks can easily be bumped up to 4" or replaced with a full 4" exhaust pipe system. The Aero Turbine XL 4040XL Muffler is composed of high quality 304 stainless steel, embossed with the Aero Turbine XL signature logo and polished to a mirror finish. Inside is a high temperature ceramic acoustic material followed by the patented air foil and louvered vortex chamber providing the deep throaty tone that any diesel owner will love.
The Aero Turbine XL 4040XL is designed for high output diesel engines ensuring that your performance diesel truck will perform more efficiently.
With a built-in resonator and patented air foil cone, the Aero Turbine XL 4040XL will not only increase fuel mileage, but significantly improve your horsepower and torque while decreasing noise and exhaust gas temperature.
P/N 4040xl
