We've all heard the talk. It seems to run the gamut from, "Dude--headers are worth 100 hp," to the naysayers who snivel "Headers? They aren't worth the trouble." The truth is actually somewhere in the ...

Four exhaust pipes sticking out the rear of a car might seem purely cosmetic, and in many cases, they are. But in others, especially in high-performance vehicles with over 1000 horsepower, quad ...

Resonance tuning - sounds like a bit of a gimmick when you first read it, huh? Air flowing through exhaust piping is all headed one way, and from what we've all come to know, the faster you can get it ...

While it may seem that some car systems have a bigger and more important part to play, failure of any system might spell doom for your car either instantly, in the short or long run. Looking at a ...