We may receive a commission on purchases made from links. While figures can vary, a motorcycle usually outputs around 85 to 95 decibels of noise traveling at slower speeds but can jump to over 110 ...

How hard can it be? An exhaust tip looks to be such a simple thing to make. Take some sheetmetal, roll it into a cone, weld it up, and you're done, right? Well, it's not quite that easy, as we learned ...

There are specific components we expect to see on a race car, special paint/graphics, gutted interior, a rollcage, and, of course, tubular exhaust systems or headers. Anything less than a nice set of ...

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...

I remember the shock, the screams, the pitchforks. It was 2007 and BMW just unveiled its first twin-turbocharged car ever, the N54-powered 335i. Local villages were being barbecued while BMW fans ...

There's a lot going on inside your vehicle at any given time, whether you're idling at a red light or driving at freeway speeds. Much of this activity involves chemical reactions that — while ...