There's just something undeniably thrilling about the sound of a well-tuned diesel engine exhaust. Among all the ways you can upgrade your diesel truck, the exhaust modifications are what give your ...

Fake exhaust noise. The worst crime in the automotive world after fake vents, fake brake discs, fake performance badges, and fake turbo sounds. Okay, it is not that immoral, but why does it exist and ...

A lot has changed since the5.9L Cummins B-series enginewas first offered in '89 Dodge pickups. The injection systems, cylinder heads, emissions equipment, and turbos have all seen dramatic ...