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 ...

Aftermarket exhausts and mufflers are also often lighter than stock parts, and if, say, you’re riding fast on track, every gram matters in going faster and cutting lap times. Lighter components can ...