Throughout the history of hot-rodding, mufflers and their different technology have been debated, but the lowly resonator has ...

Alongside the catalytic converter, which is there to reduce emissions, it will also have a muffler and very likely a resonator. From the outside, the muffler and resonator may look similar ...

Commercial vehicles in Colorado could face $1,000 fines for not having mufflers under a bill making its way through the state ...

These deliveries, which reportedly began increasing in February and escalated last year, have targeted judges overseeing high ...