Factory exhaust systems are engineered around emissions compliance and cost — not engine performance — which is why aftermarket upgrades can unlock real airflow improvements. Dyno-tested horsepower ...

Add Yahoo as a preferred source to see more of our stories on Google. Connecticut lawmakers are seeking to crack down on drivers with modified mufflers, aiming to push for tougher penalties in the ...

Compressor noise caused by pulsations and vibrations within HVAC systems is common, and remediation steps can lessen it. One accessory that can be added to a refrigeration system is a discharge line ...

A Brisbane barrister who has written a paper on the legality of aftermarket motorcycle exhausts has urged all riders to challenge exhaust noise emissions fines, saying police will get the message and ...

Police are combining education and enforcement to combat the ongoing problem of loud mufflers in neighborhoods throughout the city following more recent complaints, the police chief said. About 10 ...