Fortunately, as long as the ordinance is reasonable, it isn't all that hard to do. The most common maximum noise level agreed upon is 95 to 100 decibels at 100 feet. For a V-8 race car, that isn't ...

COLUMBUS, Ohio – A study of muffler technology at Ohio State University is giving American automakers new options for designing quieter cars. Engineers here have tested a promising new muffler design ...

No single automotive modification draws as much attention as a tuned exhaust note. Coupled with a hot cam, a well-constructed exhaust emits a certain harmony that will never go out of style. But while ...

SpinTech is reportedly the only muffler manufacturer to offer a complete line of oval inlets/outlets, ranging from a 2 1/2-inch to a whopping 5-inch oval. The oval design comes in handy, especially as ...

A test mule of the TVS Apache RTR 160 4V has been spied testing with an all-new exhaust muffler design. This updated model could quite possibly make its way to showroom floors fairly soon. Incremental ...