Grand Rock has Quiet Performance mufflers available for dual-exhaust trucks. These patented, new-technology mufflers provide an average fuel mileage increase Grand Rock has Quiet Performance mufflers ...

The 2018 Ford Mustang GT is available with an Active Valve Performance Exhaust system for an extra $895, allowing drivers to adjust the sound levels of the Mustang GT’s exhaust among four levels of ...

We like the deep, throaty demeanor of aftermarket high-performance mufflers on new Mustangs. The downside is that they're typically hard on our hearing, especially at highway speeds or at wide-open ...

Nelson Ireson August 13, 2008 Comment Now! A German automotive supply company has announced a system that applies basic principles of sonic tuning to produce an exhaust system capable of rendering ...

The 5.7L HEMI is one of the most special engines around, and while there have been some problem years, it's largely been a solid motor. There aren't many major issues with the HEMI aside from its ...