When it comes to performance, many overlook the backside of the equation, more commonly known as the exhaust. The old adage that what goes in must also come out, should immediately come to mind when ...

Chrysler has produced the Gen-3 HEMI engine since 2003, and since that time, it has undergone some substantial changes. Beginning with the 5.7-liter HEMI, the Gen-3 HEMI platform soon included various ...

It's always exciting when a friend or family member gets a new Mopar muscle machine. When my brother Andy told me he was ordering a new 2015 Scat Pack Shaker Challenger with the 485-horse 392 Hemi, I ...

Conventional wisdom has it that long-tube headers offer more performance than short-tube headers, albeit at more expense and installation effort. We decided to test that conventional wisdom and share ...

Improving engine performance is a continuous challenge for custom-truck enthusiasts. In this day and age of higher fuel costs, we are always looking for ways to enhance horsepower and increase fuel ...