Aeroturbine Non-Resonated 4.0" In x 4.0" Out Muffler 4040 wheelandtiretech No improvement after recalibration

No improvement after recalibration

or at least yet

If you're planning a high-steer conversion

this kit can be used on a wide range of trucks

Constructed from billet aluminum

Aeroturbine Non-Resonated 4.0" In x 4.0" Out Muffler 4040 wheelandtiretech No improvement after recalibrationFor those unfamiliar with the Aero line of mufflers, they are a compact stainless steel muffler designed to be added to nearly any exhaust system that offers unrestricted airflow, while having unremarkable sound characteristics. The "Non Resonated" line of Aero mufflers are designed to offer superior flow, but do not feature the additional resonator that is built into the XL line of Aero mufflers. Due to this, the standard 4040 muffler may develop